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Thread: 243 Win Loads

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    243 Win Loads

    I feel the 243 is too far valuable to be intermized with 3 other calibers on one post so please post your best 243 load here. All Grain bullet weights, please tell info on but not necessarily in this order: brass, bullet type, powder, powder weight, bullet, bullet weight, OAL, group size, etc. you know the drill just 243 Win. Please i think this will be very HELPFUL
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    Re: 243 Win Loads

    These are both loads I worked up for hunting whitetails, but they shoot so damn good I have yet to feel compelled to work up a strictly range load. They're both solid 1/2 moa and below loads out to 600 yards.

    85 Gr. Sierra Gameking
    Lapua brass
    36 Gr. IMR 4064
    Federal GM 210M primers
    2.648 OAL (.020 off the lands)
    .272 bushing (.001 nk tension)

    100 Gr. Sierra Gameking
    Lapua brass
    36 Gr. IMR 4064
    Federal GM 210M primers
    2.658 OAL (.010 off the lands)
    .271 bushing (.002 nk tension)

    Shot in a stock Remington 700 SPS with a 9 1/8 twist barrel.

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    Re: 243 Win Loads

    My rifle is a stock Tikka T3 Stainless Varmint with 1:10 twist. Here are a couple of good loads I've developed without much work up:

    For paper:
    Lapua 90gr Scenar
    Lapua Brass
    RE17 42.5 grains
    CCI 200
    COAL 69.5mm

    This load shot exceptionally well out to 900 but seem to fall apart slightly at 1000. At 800 I shot a possible beating out a custom 6.5x47 lap Surgeon rifle.

    For varmints:
    87gr V-Max
    Win Brass
    RE15 37 grains
    CCI 200
    COAL 2.645"
    If anything this load outshoots the 90gr Scenar out to 300 yards. Fantastic results on rabbits and foxes.

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    Re: 243 Win Loads

    243 Win. 105gr. Berger VLD
    49 grains Retumbo
    Fed 215 or Rem Mag Rifle Primers
    Winchester Brass

    This round is good to 750 yards. Well that was the longest kill and test to date.

    Gnab2

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    Re: 243 Win Loads

    Anyone have a load for the standard 243 that will toss a 105 AMAX fast enough to stabilize out of a Savage with a 1:10 twist?
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    Re: 243 Win Loads

    I have not been able to stablize 105's out of my 10 twist 243AI. Had them over 3200fps and still shoot 4" groups @ 100. The 10 twist seems to like 85's, 87's and 90's all will shoot 4" @ 400 or better.

    My stick is a 243AI w/24"Hart 5g10twist Rem 700VLS

    90g swift scirocco II (really like these bullets for hunting)
    44.5g H414
    3250 fps
    Norma brass
    CCI 200
    2.71 coal .010 off

    85g swift spbt (less expensive, but works good)
    44g R19
    3300 fps
    Norma brass
    CCI 200
    2.69 coal .012 off

    All loads are for a 243 Ackley Improved

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    Re: 243 Win Loads

    The problem is twist mostly?

    If I AI the chamber, will that help?
    But when we disarmed They sold us and delivered us bound to our foe,
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    Re: 243 Win Loads

    I think you will need a 9.25 or 8 twist to get 105's to stabilize.

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    Re: 243 Win Loads

    Thank you for starting, seperating out, the 243 win. I'm working on some loads for my DPMS with a ten twist, 20" barrel.
    FFL and NRA Instructor.

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    Re: 243 Win Loads

    Below are all the .243 Win loads taken from the ".260/.243/6.5x47/6.5 CM" Page. I did not change any of the info and gave credit to the original authors(??) in bold face above the load info. I just wanted to get all the .243 info in one place and lets face it, I was really bored. Hope this helps.

    <span style="font-weight: bold">From &quot;James in Wyoming&quot;</span>
    .243
    7.5 twist Schneider 26&quot;
    115 DTAC
    WW brass , prepped and sorted by weight
    43.5 H-4350
    Federal 210 match
    2.820 (mag feeding)
    3050 fps, MAD single digits, SD low teens, excellent to 1200, 5100' asl. Great load which can also go up to 100fps faster, but excellent accuracy at this velocity.

    <span style="font-weight: bold">From &quot;PepeLP&quot;</span>
    .243 Win, Rem 700 18.5&quot; barrel, suppressed

    87gr. Vmax 45gr. H414 3,050 fps
    75gr. Vmax 45.5gr. H414 3,200 fps

    Both loads:
    Win brass and Fed GMM primers
    OAL 2.710&quot;.


    <span style="font-weight: bold">From TimKen</span>
    243win
    26 inch shilan 1-7 twist
    rem long action
    115 bergers vld
    n160 43.2 grains
    ogive 2.300
    rem brass
    br2 primer
    avg fps 3045

    243win
    26 inch shilan 1-7 twist
    115 DTAC
    n160 42.5
    2.300 off of ogive
    rem brass
    br2 primer
    avg fps 2985
    shot great 1/2 min if i could do my part

    <span style="font-weight: bold">From Trigger Time</span>
    Lapua Brass
    115 DTAC (BN)
    47.3 grains of R-25
    Fedral 210M
    seated to just fit in AI mag
    3180 FPS
    27 1/2 inch Krieger with a 1-8 twist.

    23.5 MOA to 1000 and it shoots bugholes

    <span style="font-weight: bold">From 7mmRM</span>
    243 Win
    Lapua Brass
    105AMAX kissing the lands
    41.5 H4350
    Fed210M
    3065FPS via 25&quot; Hart
    Under .5MOA
    Low ES.

    243 Win
    Lapua Brass
    105 Berger VLD .010 in the lands.
    44.7 RL22
    Fed210M
    3060FPS via 25&quot; Hart
    Under .5MOA
    Low ES.

    The 107 SMK ran equally as well .010 off the lands.

    243 Win
    Lapua Brass
    105 Berger VLD .010 in the lands.
    41.5 IMR 4350
    Fed210M
    3115FPS via 25&quot; Hart
    Under .5MOA
    Single digit ES.

    Load-
    243Win
    Lapua Brass
    107SMK .010 jump
    105Berger VLD .010 in the lands
    105 AMAX kissin the lands
    48grns of H1000
    Fed210M
    3075FPS(avg) via 26&quot; Bartlien (7.7 twist)
    Low ES, SD. Bugholes.


    <span style="font-weight: bold">From DiGGer</span>
    26&quot; ruger KM77VT 1/9 rh twist. Best load
    S&amp;B brass
    cci primer
    105gr AMax
    29.5 gr. 4064

    .35&quot; 5 shot group

    Loaded with Lee powder scoop... Who knew???

    <span style="font-weight: bold">From Cat5</span>
    SPS- 9:1/8 twist
    41.5 H4350
    90gr. Scenar
    Avg. 3050fps
    1/2 MOA 5 shot group @ 800yds (this time anyway)

    <span style="font-weight: bold">From Sawgunner 2001</span>
    .243 Win

    Lapua brass neck sized with a .270&quot; bushing (for 0.003&quot; nk tension)

    CCI BR2 primer

    47.5gr H1000 (It was a little more accurate than the Re25 was. Also of note, at 90*F ejector swipe and sticky bolt lift were present at 48.0gr H1000)

    115gr BN coated DTAC seated at 2.850&quot; COAL (0.030&quot; jump)

    2965fps out of a 27&quot; 1-8 twist barrel at 75*F, 60' ASL

    <span style="font-weight: bold">From GUNNER75</span>
    Surgeon action, Bartlien 8 Twist-28&quot; Heavy Palma, 1500 rounds est.
    Std .243 Reamer.
    All Loads are set up as follows except for powder charge.
    Primer=F210M
    Brass=Winchester
    OAL=2.855/2.860
    OGIVE=3.295
    2500ft, 80F

    ***Will be running a couple of the loads and test for accuracy. The 38gr 107 load has been used quite a bit for 500M Varmint Silhouette matches. Very mild recoil, easy to see shots, very accurate out to 500M.
    ***The 2950 to 3000fps loads will be retested for accuracy at 200,300,385, and 500M. (Will have to stretch it on out afterwards though). All loads listed below are worthy of shooting the Varmint matches. I was truely amazed at how accurate the 5 shot groups looked on steel while testing these. Just didn't see anything that looked like it wouldn't really group.

    All fps avg taken on at least 5 shots, if string was incomplete due to chrony issue, overcast, etc, string was retested.

    ***Also tested with another 8 twist Bartlien and results were very consistant 30fps faster than what is shown below. This barrel only has 200 rounds through it.

    Surgeon 107SMK
    2755 fps avg 36.5gr H4350
    2766 fps avg 37gr H4350
    2778 fps avg 37.5gr H4350
    2835 fps avg 38gr H4350 VERY CONSISTANT
    (Groups listed below were tested with CED Chrony)
    2813 fps avg 38gr H4350
    2821 fps avg 38.5gr H4350
    2890 fps avg 39gr H4350
    2883 fps avg 39.5gr H4350
    2889 fps avg 40gr H4350
    2921 fps avg 40.5gr H4350
    2944 fps avg 41gr H4350
    2979 fps avg 41.5gr H4350 Great Groups
    3012 fps avg 42gr H4350 Great Groups

    Surgeon 115gr DTAC
    2825 fps avg 40gr H4350
    2849 fps avg 40.5gr H4350
    2877 fps avg 41gr H4350
    2905 fps avg 41.5gr H4350
    2933 fps avg 42gr H4350
    2975 fps avg 42.5gr H4350
    3010 fps avg 43gr H4350 Great 300yrd group
    3024 fps avg 43.5gr H4350 Good 300yrd group
    3056 fps avg 44gr H4350 Ejector Swipe

    The last load listed at 44gr using 115gr DTAC's was the only load that showed any sign of pressure. First round on string was slight tight bolt, and 2 out of the 5 rounds had slight ejector swipe.



    UPDATE ON 8-12-09.
    Both of the loads below were tested for accuracy at 300 and 600 yards. Very very impressive results on steel.

    Stiller Tac 30, Bartlien 8 twist 24&quot;, Rem Varmint Contour. 250rounds
    107SMK
    3034 fps avg 42gr H4350
    (This load also performs very well in the Surgeon, but runs about 20fps slower.)


    Surgeon Repeater, Barlien 8 twist 28&quot;, Heavy Palma contour. 1550 est rounds.
    115gr DTAC BN Coated.
    3010 fps avg 43gr H4350
    (One round out of 25 had the slightest bolt lift, and the slightest ejector swipe).

    <span style="font-weight: bold">From RC2125</span>
    .243win 26&quot; 7.7 bartlein #7, 700ft elev

    115 dtacs coated/pointed
    Lapua brass, necked only
    cci standard primers
    41gr R-17
    .271 coated s neck bushing .0025 neck tension
    2.270 oal to ogive
    3050 avg fps 85degrees.for ref(40gr=2980,40.3=3000,40.5=3010)
    6.4mil to 1k , .5 -.6moa avg, some barrel jump when warmer

    105 berger hunting vld
    Lapua brass, necked only
    cci standard primers
    42.5gr R-17
    .271 coated s neck bushing .0025 neck tension
    2.268 oal to ogive
    3150fps 55 degrees. for ref41.5=3050, 42=3090,43=3175-3200 higher sd's)
    6.2mil @ 1k , no barrel jump, .5moa (some sub half 5shot groups at 900 when gathering data)

    *shot both loads side by side in a sustained 15 mph full value wind. 60 rounds of each load to compare out to 1k, both loads needed the exact same windage... @700 .5mil, @800 .6mil, @900 .8, @1k 1.0

    *no pressure signs at all, but the dtacs do exhibit slight barrel jump compared to the 105 load.

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    Re: 243 Win Loads

    props to you dude.............thanks
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    Re: 243 Win Loads

    thanks jeo556 it was a pain trying to pick out .243 from the big page. I like this page a lot better
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    Re: 243 Win Loads

    Thanks for your time. Good info and a definate help.
    Anyone who doesn't take truth seriously in small matters cannot be trusted in large ones either.

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    Re: 243 Win Loads

    Another thanks jeo556. I would read till my eyes crossed, and forget where I had gotten to when I returned to the thread. Thanks again.
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    Re: 243 Win Loads

    Don't mention it guys. My pleasure.....Like I said I was bored and half-cocked after enjoying some
    <span style="font-style: italic">1792</span> bourbon(I'm not a long time bourbon drinker but not too shabby at all). I kept trying to look at the 243 info and got really frustrated so I figured what the hell, I'll just put it all in one place.
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    Re: 243 Win Loads

    tag

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    Re: 243 Win Loads

    Here's some additional 243 load data.

    More .243 Load Data
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    Re: 243 Win Loads

    105gr AMAX
    47.0gr Retumbo
    CCI 200 primers
    Lapua brass
    2.284 to ogive, .02 off the lands

    9 1/8 twist



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    Re: 243 Win Loads

    With the standard .243.
    Wolf Primers, 115 DTAC w/Boron Nitride
    47.5 grs. Retumbo
    This load was extremely accurate out to 400 yards which is the farthest I was able to shoot it.
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    Re: 243 Win Loads

    1:8 Broughton 23&quot; Surgeon 591 action
    105 Berger VLD
    .123&quot; jump to lands
    42.0 RL 22
    Federal match primer
    Lapua brass
    2765 fps at 57* and 348'

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    Re: 243 Win Loads

    great info. Thanks i'll put them to use.
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    Re: 243 Win Loads

    Anybody using 4064 with 107 SMK?
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    Re: 243 Win Loads

    I haven't tried 107 SMKs, but in my experience IMR 4064 hasn't worked to well on 105 gr AMAXes. I tried an array of powder charges, but just got keyholing @ 100 yds and completely irradic POI. I think it may just be too fast of a powder for the heavier, longer projectiles. Maybe it would work with a twist faster than my 9 1/8.

    There's also alot of empty space in a .243 case when using IMR 4064 and the heavies, which I have read is not ideal when working up a load. With 47.0 gr of Retumbo and 105 AMAXes, I get a slight crush and that load has performed great out to 960 yds.

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    Re: 243 Win Loads

    Has anyone ever used 4831SC with the heavies? Looking at most of the loads, it seem to me that most people are using a slower or faster powder then 4831SC with the exception of a couple of people using RL22 which is close to the same burn rate.

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    Re: 243 Win Loads

    Jeo556,

    Thanks for gathering all this 243 win load info, so much easier to read. Getting ready to load some 105 amax's.
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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bacarrat</div><div class="ubbcode-body">Has anyone ever used 4831SC with the heavies? Looking at most of the loads, it seem to me that most people are using a slower or faster powder then 4831SC with the exception of a couple of people using RL22 which is close to the same burn rate.</div></div>

    Good question. I just got my 243 back from APA and am working up a load. Laddered up some loads using coated 115 D-Tacs with H4350 yesterday. Had good results at 43gr averaging 3025fps in 85 degree weather. Started getting pretty good primer flow and extractor swipes at 44gr. The rounds were loaded to 2.820 for use in the magazine.

    I figured 4831SC would also be a good powder to consider but haven't seen much/any data on it for 243W/115gr D-Tacs.

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    Re: 243 Win Loads

    Tag
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    Re: 243 Win Loads

    Factory Remy SPS-Varmint 26&quot; barrel 9.125 twist.

    Pill: 70g SMK HPBT
    Primer: BR-2
    Case: Win
    COL: 2.650
    Powder: H322
    Load: 33.7

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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: DT1</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bacarrat</div><div class="ubbcode-body">Has anyone ever used 4831SC with the heavies? Looking at most of the loads, it seem to me that most people are using a slower or faster powder then 4831SC with the exception of a couple of people using RL22 which is close to the same burn rate.</div></div>

    Good question. I just got my 243 back from APA and am working up a load. Laddered up some loads using coated 115 D-Tacs with H4350 yesterday. Had good results at 43gr averaging 3025fps in 85 degree weather. Started getting pretty good primer flow and extractor swipes at 44gr. The rounds were loaded to 2.820 for use in the magazine.

    I figured 4831SC would also be a good powder to consider but haven't seen much/any data on it for 243W/115gr D-Tacs. </div></div>

    I am also interested in the 4831SC. Reasons: I am running a load that is with no issues or pressure signs running 3110fps out of my 24&quot; 1/8 twist krieger barrel (105 A-max). The high is 3122fps. Low is 3110. not terrible. The issue is it is not an &quot;extreme&quot; powder. The 4831SC is. The reason I am thinking about trying this powder is because it has the same burn rate as the 780 I am using now. I am still in the development stage of this whole deal.

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    Re: 243 Win Loads



    found this on the 6mm br site. I will try developing a load and let yall know what happens.
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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Cuban Croc</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: DT1</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bacarrat</div><div class="ubbcode-body">Has anyone ever used 4831SC with the heavies? Looking at most of the loads, it seem to me that most people are using a slower or faster powder then 4831SC with the exception of a couple of people using RL22 which is close to the same burn rate.</div></div>

    Good question. I just got my 243 back from APA and am working up a load. Laddered up some loads using coated 115 D-Tacs with H4350 yesterday. Had good results at 43gr averaging 3025fps in 85 degree weather. Started getting pretty good primer flow and extractor swipes at 44gr. The rounds were loaded to 2.820 for use in the magazine.

    I figured 4831SC would also be a good powder to consider but haven't seen much/any data on it for 243W/115gr D-Tacs. </div></div>

    I am also interested in the 4831SC. Reasons: I am running a load that is with no issues or pressure signs running 3110fps out of my 24&quot; 1/8 twist krieger barrel (105 A-max). The high is 3122fps. Low is 3110. not terrible. The issue is it is not an &quot;extreme&quot; powder. The 4831SC is. The reason I am thinking about trying this powder is because it has the same burn rate as the 780 I am using now. I am still in the development stage of this whole deal.

    -Al
    </div></div>

    I'm currently running H4831 in my Rem 700 factory 26&quot; behind a 95 SMK. I initially worked up a load with RL22...temp sensitivity bit me with 60 fps change over 15*F change. Anyways, this current load is 43.0 gr H4831, Lapua brass FL sized every time, BR2, 95 SMK and OAL 2.825&quot;. This gets me to 2950 fps. I had went as high as 47.0 gr RL22 and that yielded 3280 fps. With the H4831, I stopped at 44.5 grs which yielded 3040 fps. My notes don't list that I hit any pressure at 44.5 gr.

    One reason I think people choose H4350 over H4831 is either of two things: 22-24&quot; barrel and/or the DTAC takes up some boiler room while mag length. The faster powder makes up for the smaller case capacity.

    I currently have a new .243 being built with a 7.5&quot; twist just for the DTAC. It will see both H4831 and H4350 in load development in the spring. As far as I can tell from other people's loads, 43.0 gr H4350 will give the 3000 fps I'm after. However, I'm going to use a DBM with Alpha mags and a 26.5&quot; barrel. I can seat out a lil longer and that's why I'm going to try for H4831. It should be able to squeeze a grain or two more powder and allow the extra barrel to burn the slightly slower powder. Possibly, it might just even give a better ES/SD where the extra grain or two of H4831 will give a better fill density without 'crunching powder.' Maybe even a hair longer barrel life with the slower powder. Who knows, but I'm gonna give it a whirl come spring.

    As far as a starting load for H4831, I'd start roughly 1 grain above what most are starting at H4350. 41.0 gr would be a good place to work up from...that's probably where I'll start at.
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    Re: 243 Win Loads

    Thanks Brandon!

    I will try to work a load w/4831 and the 105 a-max. I will report back in a week to post my results.
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    Re: 243 Win Loads

    You're welcome. Sounds good and let us know. Read over my previous post. I checked my notes and corrected the numbers.
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    Re: 243 Win Loads

    I am now in the realm of the .243 as well. I have some loads that I am working on, and will post some results when I get some time to shoot. So far, she has been a real pleasure to shoot.

    Right now she shoots 5/8&quot; groups with factory Federal 100gr BTSP Power Shocks.

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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: boudin</div><div class="ubbcode-body">105gr AMAX
    47.0gr Retumbo
    CCI 200 primers
    Lapua brass
    2.284 to ogive, .02 out

    9 1/8 twist


    </div></div>
    So, a couple months ago a fella at the range and I were discussing loads and he mentioned that A-maxes were designed to be loaded to SAAMI specs. I haven't been able to find anything supporting that claim so I'm not sure if it's a load of hooey or not, but I decided to load some up and give it a shot.

    I loaded 3 with the usual 47.0 gr of Retumbo and seated the 105 Amax to SAAMI spec max OAL, 2.710 in., and the result was a .411 moa group at 100 yds. Hmmmm... we may have something here.

    Fast forward to this past Thursday; I loaded 10 rounds to the same specs to test at 400 yards. First, I have to preface this by saying a huge thunderstorm was rolling in, fast, as I was pulling these out of the box... just to give you a mental picture. So, where was I... 400 yds... I dialed up the dope for my full length load and squeezed one off. It hit ~3/4 mil high and ~1/2 mil left, so I went with it and commenced to feeding rounds as the rain started to spit. I got through 7 rounds before I had to pack it up, but here's the thing. All 7 of those rounds went into one black splatter just larger than a golf ball, and they were at a fairly quick cadence with gusting winds.

    I say all this, not to bolster my shooting, rifle, or any of the such, but rather to share my experience with the load as well as the amusing nature of the whole ordeal. It felt just like the scene in Caddyshack, when the judge is playing the best round of his life in a damn near hurricane, and he just doesn't want to stop. Luckily, I had Chief yelling at me from up the road 'a ways, to get my ass outta the weather and something about me being an idjit or something... with just 3 rounds left, arrrggg.

    Anyways, the take home message is... try the 105 Amaxes seated down to SAAMI specs. I know it looks a little puney when your used to seeing 'em seated long, but they responded really well to the 0.12 in. jump in my rifle. Perhaps they will in yours too.

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    Re: 243 Win Loads

    I have this load 105 amax of 46grs H1000 in my 243 26&quot; barrel. Using win brass, cci br2 prmers. Set .020&quot; off the lands. Getting excellent groups but not much speed. My chrony says 2820 avg. speed. Anybody else using H1000??
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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: boudin</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: boudin</div><div class="ubbcode-body">105gr AMAX
    47.0gr Retumbo
    CCI 200 primers
    Lapua brass
    2.284 to ogive, .02 out

    9 1/8 twist


    </div></div>
    So, a couple months ago a fella at the range and I were discussing loads and he mentioned that A-maxes were designed to be loaded to SAAMI specs. I haven't been able to find anything supporting that claim so I'm not sure if it's a load of hooey or not, but I decided to load some up and give it a shot.

    I loaded 3 with the usual 47.0 gr of Retumbo and seated the 105 Amax to SAAMI spec max OAL, 2.710 in., and the result was a .411 moa group at 100 yds. Hmmmm... we may have something here.

    Fast forward to this past Thursday; I loaded 10 rounds to the same specs to test at 400 yards. First, I have to preface this by saying a huge thunderstorm was rolling in, fast, as I was pulling these out of the box... just to give you a mental picture. So, where was I... 400 yds... I dialed up the dope for my full length load and squeezed one off. It hit ~3/4 mil high and ~1/2 mil left, so I went with it and commenced to feeding rounds as the rain started to spit. I got through 7 rounds before I had to pack it up, but here's the thing. All 7 of those rounds went into one black splatter just larger than a golf ball, and they were at a fairly quick cadence with gusting winds.

    I say all this, not to bolster my shooting, rifle, or any of the such, but rather to share my experience with the load as well as the amusing nature of the whole ordeal. It felt just like the scene in Caddyshack, when the judge is playing the best round of his life in a damn near hurricane, and he just doesn't want to stop. Luckily, I had Chief yelling at me from up the road 'a ways, to get my ass outta the weather and something about me being an idjit or something... with just 3 rounds left, arrrggg.

    Anyways, the take home message is... try the 105 Amaxes seated down to SAAMI specs. I know it looks a little puney when your used to seeing 'em seated long, but they responded really well to the 0.12 in. jump in my rifle. Perhaps they will in yours too. </div></div>

    What sort of velocity are you seeing with this load? Other than how fast you can crank them out in the rain? =)
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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: David Walter</div><div class="ubbcode-body">Anyone have a load for the standard 243 that will toss a 105 AMAX fast enough to stabilize out of a Savage with a 1:10 twist? </div></div>

    I'll have to double check my recipe but I shoot 100gr speers, 37gr of RL15 (This is where I have to check, 15 or 19). Win brass and Fed 210M.

    Really not the highest velocity but shoots sub moa at 100 yards.
    Holds to 200.
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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Huckelberry75</div><div class="ubbcode-body">
    What sort of velocity are you seeing with this load? Other than how fast you can crank them out in the rain? =) </div></div>
    Sorry Huckleberry, I don't have a chronograph so at the moment, I just work up loads based upon the results on paper or steel. I can't speak to the velocity of the load seated to SAAMI spec max, but a few weeks ago a guy let me shoot across his chrono and 5 rounds of the ones seated 0.02 off the lands averaged 2774 fps, with a SD of 21.59 and an ES of 53. Being the first time I've ever fired across a chrono, I was a little disturbed by the ES/SD values but after a bit of reading, it's apparently not uncommon for stellar shooting loads to have high ES/SD.

    There is also the distinct possibility that there was an error on my part (or the chrono owner's), in that he just kinda eyeballed the chrono to somewhere around 2-3 feet away from my muzzle. That part didn't seem too &quot;scientific&quot; to me and I'm pretty sure there is a recommended distance, but hey... I'm not gonna tell a fella how to set up his chrono when he is letting me shoot across it. Maybe it's not that big of a deal?

    2775 matches my dope pretty well though using a G1 BC of .500. I haven't fooled with trying to figure out the G7 or if it would tighten the FTE numbers up at all.

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    Re: 243 Win Loads

    I am interested in what guys are getting out of the 243 with H1000 as well. I have a 6mmSLR coming(modified 243) and was planning on H1000 and 105Amax.

    Cheers

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    Re: 243 Win Loads

    I am using H1000 @ 45.9g and 105's (berger vld and Amax)w/ lapua brass and WLR primers, shot from a factory Remington Varmint (9.125 twist)and getting ~2885 per my crono. I was really hoping to have a little more speed but it has been doing well for a factory tube. If I remember correctly my vertical was right around 4&quot; at 1000y with the bergers jumping. I have another load with them touching the lands but have not shot them past 400 for groups yet.



    3shots ~7&quot; total on a 36&quot; 1000y plate


    I have had the gun a little over a month and have not tried any other powders yet...
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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: boudin</div><div class="ubbcode-body">So, a couple months ago a fella at the range and I were discussing loads and he mentioned that A-maxes were designed to be loaded to SAAMI specs. I haven't been able to find anything supporting that claim so I'm not sure if it's a load of hooey or not, but I decided to load some up and give it a shot.

    I loaded 3 with the usual 47.0 gr of Retumbo and seated the 105 Amax to SAAMI spec max OAL, 2.710 in., and the result was a .411 moa group at 100 yds. Hmmmm... we may have something here.

    Fast forward to this past Thursday; I loaded 10 rounds to the same specs to test at 400 yards. First, I have to preface this by saying a huge thunderstorm was rolling in, fast, as I was pulling these out of the box... just to give you a mental picture. So, where was I... 400 yds... I dialed up the dope for my full length load and squeezed one off. It hit ~3/4 mil high and ~1/2 mil left, so I went with it and commenced to feeding rounds as the rain started to spit. I got through 7 rounds before I had to pack it up, but here's the thing. All 7 of those rounds went into one black splatter just larger than a golf ball, and they were at a fairly quick cadence with gusting winds.

    I say all this, not to bolster my shooting, rifle, or any of the such, but rather to share my experience with the load as well as the amusing nature of the whole ordeal. It felt just like the scene in Caddyshack, when the judge is playing the best round of his life in a damn near hurricane, and he just doesn't want to stop. Luckily, I had Chief yelling at me from up the road 'a ways, to get my ass outta the weather and something about me being an idjit or something... with just 3 rounds left, arrrggg.

    Anyways, the take home message is... try the 105 Amaxes seated down to SAAMI specs. I know it looks a little puney when your used to seeing 'em seated long, but they responded really well to the 0.12 in. jump in my rifle. Perhaps they will in yours too. </div></div>

    I will have to give that a try, I have been jumping them around .015&quot; and while the groups are not bad, ~3/4&quot; at 100, I was hoping for less.
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    Re: 243 Win Loads


    I need a bullet recommendation for use on white-tails that is good for 10 yards to 200 yards. I've been thinking of the Sierra 100 gr FBSP, Nosler Partition 90 or 100 gr, and the Barnes TTSX in 80 gr. Anyone used these bullets for white-tail?
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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: LOBO</div><div class="ubbcode-body">
    I need a bullet recommendation for use on white-tails that is good for 10 yards to 200 yards. I've been thinking of the Sierra 100 gr FBSP, Nosler Partition 90 or 100 gr, and the Barnes TTSX in 80 gr. Anyone used these bullets for white-tail? </div></div>

    I've used Sierra 100 and 85 gr Gamekings with great results inside of 300 yds. The 85's were so accurate, I used them for my target load for a while. The 100's shoot lights out in my dad's Styer and used to shoot great in my Rem but when I switched to CCI 200 primers, my load for the 100's just wasn't as tight and needs to be reworked. I've been wanting to try the flat base projectiles at some point; if you try 'em, let us know how they do.

    Good luck this season.

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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: boudin</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: LOBO</div><div class="ubbcode-body">
    I need a bullet recommendation for use on white-tails that is good for 10 yards to 200 yards. I've been thinking of the Sierra 100 gr FBSP, Nosler Partition 90 or 100 gr, and the Barnes TTSX in 80 gr. Anyone used these bullets for white-tail? </div></div>

    I've used Sierra 100 and 85 gr Gamekings with great results inside of 300 yds. The 85's were so accurate, I used them for my target load for a while. The 100's shoot lights out in my dad's Styer and used to shoot great in my Rem but when I switched to CCI 200 primers, my load for the 100's just wasn't as tight and needs to be reworked. I've been wanting to try the flat base projectiles at some point; if you try 'em, let us know how they do.

    Good luck this season. </div></div>

    You too friend, and thanks for the helpful information.
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    Re: 243 Win Loads

    Shot a quick test with H4831sc tonight and the amax seated at 2.760&quot; (guide suggested length)I was happy with the groups but disappointed in the speed. I worked above max by 1.5 grains and still was not at Hodgdon's listed max charge velocity. I didnít have any pressure signs indicated on the brass or on extraction, however I am nervous to push it more. This factory barrel is slow. Looks like I will be staying with H1000.
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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Niles Coyote</div><div class="ubbcode-body">Shot a quick test with H4831sc tonight and the amax seated at 2.760&quot; (guide suggested length)I was happy with the groups but disappointed in the speed. I worked above max by 1.5 grains and still was not at Hodgdon's listed max charge velocity. I didnít have any pressure signs indicated on the brass or on extraction, however I am nervous to push it more. This factory barrel is slow. Looks like I will be staying with H1000. </div></div>

    Niles,

    I just finished a test w/4831 as well.

    105 A-max, Winchester brass, BR2 primer, seated at 2.77
    1:8 twist 24in krieger barrel
    42grains of 4831sc
    2820fps

    there is so much room in the case...i added a grain. i understand about the pressure aspect...but damn 2820fps. i have not pulled the trigger on the 43.0gr. because i am scared (can i say that on the 'Hide). I am not sure of my next step. the positive was that the shots fired was either +/-4 of 2820fps.

    any comments or suggestions?
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    Re: 243 Win Loads

    The only thing I can add is 45.9g H1000 puts me just under 2900 in lapua brass with both amax and berger 105's. I have not tried a higher charge yet as it seems to be shooting good there, Im also not sure I can fit enough in the case to reach the next node. I do have 50 Winchester cases on order just to find out...

    <span style="font-weight: bold">Updated</span> H1000 45.9 under better light gave me an adv of 2932 fps, verified at 1000y. This is with the above berger 105 vld, Lapua brass and winchester primer.
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    Re: 243 Win Loads

    87 berger vld, 210 fed GM primer, 37.9 IMR 6064. I shoot this to 1000 in a 1:10
    barrel. It's 2970 out of the muzzle and 1300 @ 1000. brass is mixed, sako, win,
    rem. Oal is 2.735 to 2.765, lee crimp die. Groups hold 1 moa all the time with
    several all touching at 300. flyer problem I think I have worked out. It didn't show itself at the deep creek shoot.

    My prairie dog round up to small hogs is a hornady 75 HPS over 42.6 grains of IMR 4064. 3450 out the muzzle. part #2420. 2.670 coal. groups just under .5 @
    100. Again mixed brass.

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    Re: 243 Win Loads

    <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Cuban Croc</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Niles Coyote</div><div class="ubbcode-body">Shot a quick test with H4831sc tonight and the amax seated at 2.760&quot; (guide suggested length)I was happy with the groups but disappointed in the speed. I worked above max by 1.5 grains and still was not at Hodgdon's listed max charge velocity. I didnít have any pressure signs indicated on the brass or on extraction, however I am nervous to push it more. This factory barrel is slow. Looks like I will be staying with H1000. </div></div>

    Niles,

    I just finished a test w/4831 as well.

    105 A-max, Winchester brass, BR2 primer, seated at 2.77
    1:8 twist 24in krieger barrel
    42grains of 4831sc
    2820fps

    there is so much room in the case...i added a grain. i understand about the pressure aspect...but damn 2820fps. i have not pulled the trigger on the 43.0gr. because i am scared (can i say that on the 'Hide). I am not sure of my next step. the positive was that the shots fired was either +/-4 of 2820fps.

    any comments or suggestions? </div></div>

    Cuban,
    Do a work-up from 42.0 to 45.0 in 0.5 grain increments. My notes listed no pressure signs at 44.5 for my barrel. It sounds like you're in a nice node with +/- 4 fps. I would risk it to say that you'll hit the higher node somewhere in there...should be 2900+ fps too. I would settle for a very consistent load versus a fast load that's 200 fps faster...consistency is the name of this game. Do the work-up and see what you find.
    Brandon
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