6x47 Lapua

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CDIBBS

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6x47 Lapua
10/08/2014 Last edited 01/17/2015 by CDIBBS
[HR][/HR]Stiller Tac 30 Action
Bartlein 8 twist truck axle barrel
McMillan A5 Stock
built by Mike Bryant in Texas

41.3 gr H4350
CCI 450
Berger 105 VLD (or nosler CC/Amax/107 MK)

~3200 fps Barrel is FAST, and .5 MOA

Update: Chronoed new lot of H4350 powder on 1/16/15

Load same specs as above, with both Nosler CC and Hornady Amax

Rifle & ammo @ 70 degrees temp from kitchen table, outside temp ~32 degrees, 2400' eleveation, RH 80%, Barometer 30.17

Ave MV 5 shots 3181 fps, ES 17, SD 7

Hornady 105 Amax Ave MV exactly the same @ 3181 and also Same ES of 17 and SD 7 for 5 shots over Oehler 35 Chronograph
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cjgemmXGunny Sergeant
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Re: 6x47 Lapua
10/10/2014
[HR][/HR]Barrel length?
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hondo1312XSergeant
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Re: 6x47 Lapua
10/13/2014
[HR][/HR]26" Bartlein 1-8 Medium Palma
TBAC 30BA

38.9 gr H4350
CCI BR primer
105 gr Berger Hybrid
0.020 jump

3055 fps
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CDIBBS

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Re: 6x47 Lapua
10/14/2014 Last edited 01/17/2015 by CDIBBS
[HR][/HR]
cjgemm wrote: Barrel length?​
~25" Not counting Schuler Brake which adds about 2"


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trevor300wsm

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Re: 6x47 Lapua
10/15/2014
[HR][/HR]Streater Built Rifles 6x47L
Surgeon 591
22" Bartlein 1:8tw
39.9gr H-4350
105 Berger Hybrid
CCi450
~3,080fps

Very accurate
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LawnMM

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Re: 6x47 Lapua
10/15/2014
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Converting my old 308 R700 to a Remage 6x47 so keep the loads coming in here, gives me a place to start!!

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Huckleberry75

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Re: 6x47 Lapua
11/22/2014
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Apparently Tate builds a mean rifle....looking forward to his actions.

---------------------------------------------
--- trevor300wsm wrote:

Streater Built Rifles 6x47L
Surgeon 591
22" Bartlein 1:8tw
39.9gr H-4350
105 Berger Hybrid
CCi450
~3,080fps

Very accurate

---------------------------------------------
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dTros

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Re: 6x47 Lapua
11/25/2014
[HR][/HR]
Bighorn Action

24" Bartlein Barrel

39.5 gr IMR-4350

Berger 105 Hybrid

BR4 primers

3040 fps



Regards,

DT



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6x47SteveXFirst Sergeant
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Re: 6x47 Lapua
11/25/2014
[HR][/HR]30" Krieger 8 twist. 105 hybrid, CCI450, 43.1gr H-4831SC/compressed slightly, 3150 fps.

Same load goes 3080 fps in a 27.5" barrel with 70 rounds through it, it'll probably speed up in another 50-100 rounds.
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6x47ScottyDXSergeant
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Re: 6x47 Lapua
12/01/2014 Last edited 12/01/2014 by 6x47ScottyD
[HR][/HR]27.5" Broughton 1:8 MTU
39.0g H4350
Fed 205's
107 smk's .030 jump (much thanks to John in TN for the load!)
~3100fps
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shooterrdyXSergeant
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Re: 6x47 Lapua
12/15/2014
[HR][/HR]I notice all loads so far listed are light bullets at 105/107 grn. what about the 130-140 grn loads

say a 130 Berger out of a 8 twist.

Powder, primer, OAL, FPS ???

Thanks
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BuhLockayXSergeant
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Re: 6x47 Lapua
12/15/2014
[HR][/HR]
This thread is for the 6mm not 6.5x47. Easy mistake to make.



Keep the loads coming fellas. I've got a 6x47 barrel coming as soon as SAC can get one spun up for me.

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shooterrdyXSergeant
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Re: 6x47 Lapua
12/16/2014
[HR][/HR]
Sorry guys I screwed that up.

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LoweLeft

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Re: 6x47 Lapua
12/17/2014
(1 vote)
[HR][/HR]
Surgeon 591

28" med-Palma, Benchmark, 8 twist, 5R

105 Berg, Hybrid

CCI 41

Varget, 36.5gr

------

3070fps, single digit SDs (last time I chrono'd SD=3 for 5 shots), around 2K DA.

I've got just over 1K rounds on the barrel and I haven't chased lands at all.

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TRAAV

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Re: 6x47 Lapua
01/17/2015
[HR][/HR]SIP Built 6x47L
Kelbly Atlas
26" Hawk Hill 7.9 M40
40gr H-4350
105 Berger Hybrid just off the lands
CCi450
3100 fps (on a fresh barrel)
This load hammers!!!
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6x47SteveXFirst Sergeant
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Re: 6x47 Lapua
01/21/2015
[HR][/HR]21.75" Kreiger - 8 twist, 105 hybrid, 40 gr H-4350, CCI450. 2.755" OACL = 2983 fps ave.

Yes load does hammer!
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LoweLeft

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Re: 6x47 Lapua
01/22/2015
[HR][/HR]
Hi Steve,



What reamer do you use for 6x47 Lapua?
 
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6x47SteveXFirst Sergeant
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Re: 6x47 Lapua
01/25/2015
[HR][/HR]HI Lowe,

The reamer was designed by a gunsmith about 9 years ago. I think PTG made it. It's a .270 neck so I turn my case necks and it has a .208 freebore that was made for 115's. Yes, too long for 105's but it works well with the hybrids but on the other hand I can seat any bullet out far. The tolerance is small to virgin brass.
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Barney88PDCXGunny Sergeant
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Re: 6x47 Lapua
01/29/2015 Last edited 01/29/2015 by Barney88PDC
[HR][/HR]
Converted 6.5x47 Lapua Brass through a Forster FL sizing die.

CCI 450

39.0 H4350

105 Berger Hybrid 0.010" off

Three shot groups in the high 2's low 3's.

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LoweLeft

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Re: 6x47 Lapua
01/30/2015
[HR][/HR]
Thanks for the info Steve.

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RthurDXFirst Sergeant
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Re: 6x47 Lapua
02/03/2015 Last edited 02/03/2015 by RthurD
[HR][/HR]
6x47Steve wrote: 30" Krieger 8 twist. 105 hybrid, CCI450, 43.1gr H-4831SC/compressed slightly, 3150 fps.

Same load goes 3080 fps in a 27.5" barrel with 70 rounds through it, it'll probably speed up in another 50-100 rounds.​
Steve, what is the freebore on this reamer?







R

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6x47SteveXFirst Sergeant
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Re: 6x47 Lapua
02/04/2015
[HR][/HR].208 freebore
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Captramrod01

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Re: 6x47 Lapua
02/06/2015
[HR][/HR]
24" Bartlein 8 twist

105 Berger hybrid

39.2gr H4350

3050fps with suppressor.

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406precision

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Re: 6x47 Lapua
02/16/2015 Last edited 02/16/2015 by 406precision
[HR][/HR]
Any more 107 sierra info out there?

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6x47KevinXSergeant
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Re: 6x47 Lapua
02/21/2015
[HR][/HR]
Bighorn action

Bartlein 24" medium plama

Chambered by Jon Beanland

35.5 Varget

105 Hybrids

CCI400

3020

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pangelos

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Re: 6x47 Lapua
02/22/2015
[HR][/HR]What kind of C.O.A.L. are you guys loading to? Reason I ask is I just had one built and I will be at about 2.65 with berger hybrids and I'm wondering if I should throat it a little longer.
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Huckleberry75

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Re: 6x47 Lapua
02/24/2015
[HR][/HR]Having Jon Beanland build one for a coyote rifle. Has anyone run the 87gn VLDH's by chance? I know typically we are talking target rifles here where heavy bullets are the norm, but thinking that the 87 vldh will tear hell out of critters. Guessing around 3200fps from a 24" bbl????
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6x47KevinXSergeant
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Re: 6x47 Lapua
02/24/2015
[HR][/HR]
pangelos wrote: What kind of C.O.A.L. are you guys loading to? Reason I ask is I just had one built and I will be at about 2.65 with berger hybrids and I'm wondering if I should throat it a little longer.​




2.665 +/- jumping .030.





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pangelos

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Re: 6x47 Lapua
02/24/2015
[HR][/HR]


---------------------------------------------
--- 6x47Kevin wrote:
pangelos wrote: What kind of C.O.A.L. are you guys loading to? Reason I ask is I just had one built and I will be at about 2.65 with berger hybrids and I'm wondering if I should throat it a little longer.​



2.665 +/- jumping .030.







---------------------------------------------

Cool thanks!
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derrelwXPrivate
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Re: 6x47 Lapua
03/03/2015 Last edited 03/03/2015 by derrelw
[HR][/HR]
6.5x47 Lapua

140 Berger VLD

39.5gr IMR 4350

CCI BR-4 primers

2.815 OAL (touching lands)

2670fps out of 22" Bartieln 5R 8 twist Medium Palma
 
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Hondo64dXGunny Sergeant
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Re: 6x47 Lapua
03/19/2015
[HR][/HR]
derrelw wrote:
6.5x47 Lapua

140 Berger VLD

39.5gr IMR 4350

CCI BR-4 primers

2.815 OAL (touching lands)

2670fps out of 22" Bartieln 5R 8 twist Medium Palma

Easy 1/2MOA at 300 yards​
This is the 6x47 Lapua thread...



John

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LawnMM

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Re: 6x47 Lapua
04/08/2015
[HR][/HR]
I'm getting about 3127fps with 39gr of H4350 pushing Berger 105 Hybrids out of my 6x47. Going to try a tenth higher and lower and verify with longer strings of fire. Did any of you guys see less distinct peaks and troughs between tighter loads?

Typically I'll see velocity increase with powder charge and the chrono numbers will tighten up, then fall off and slacken up, then they tighten up again like waves on the ocean. Typically its pretty obvious and distinct. When it's tight, it will tighten up into single digits, then slack back to 20-30fps for SD numbers then they come down and tighten up again. With the 6x47 and H4350 the chronograph was showing the same pattern, but much flatter. The worst of the SDs was around the 20s, it tightened up to 5, then slacked back into the 20s again. Guess I'm just used to larger swells than this. Today I was getting SDs that looked like 24, 22, 21, 5, 23, 25, 26 etc. Jumping up in .2gr increments.

I'm going to check the 39gr load and I'm going to try a tenth higher and lower as well tomorrow. Frankly, I'd be fine with 3127 with an SD of 5 and ES of 11 that I got today...we'll see.

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Aimsmall55XFirst Sergeant
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Re: 6x47 Lapua
04/09/2015
[HR][/HR]Shooting an APA with a bat action , and a 28" Broughton. 1:8. ( IS MY BUDDIES RIFLE)
37.0 varget, REMINGTON primers , neck turned LAPUA brass , ( loaded by Jared Joplin)
From 490 out to 990 yards confirmed velocity at 3210 fps. 105 hybrid.
Shot UNBELIEVABLE
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CDIBBS

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Re: 6x47 Lapua
04/10/2015 Last edited 04/10/2015 by CDIBBS
[HR][/HR]If you're using a FL Bushing sizing die for the 6x47Lap, how much neck tension are you running, -.002-.003? Thanks! I run approximately -.002, but curious what others are using. My ES with a couple lots of H4350 has been in the high teens, with a SD of 8-10 on two different barrels.

On a side note, just for shits and giggles in another 6x47 Lapua rifle, I've been experimenting with IMR4350 and Hornady 105 BTHPs, in Lapua brass as well as reformed 22-250 Winchester brass. The results @ 400-450 Yards have been surprisingly good thus far, but I need to stretch the legs on this combo (maybe this weekend), and run it over the chronograph before I determine if it is worth posting about. Stay tuned for further details.
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LawnMM

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Re: 6x47 Lapua
04/11/2015 Last edited 04/14/2015 by LawnMM
[HR][/HR]
My loaded rounds measure about 0.270 I'm trying 0.269 & 0.268 bushings for neck tension

Settled on 39.1gr of H4350 with 105 Hybrids. Gets me 3102fps SD 5fps out of a 26“ Criterion 1:8 twist. Easily 1/2 moa rifle, I've got several sub 1/4 moa groups with it. Loving this cartridge!

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Assault116XGunny Sergeant
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Re: 6x47 Lapua
05/11/2015 Last edited 06/03/2015 by Assault116
[HR][/HR]
Preliminary results, as I'm still testing seating depth, but so far

22" Kreiger 5R 1:8

105 hybrid

39.8 gr of IMR4451

3040 fps with single digit SD's

groups were in the high .4's and that was with zero seating depth testing, and on virgin brass IIRC after checking the chamber they were jumping about .060" I'm hoping to get those groups down into the .3's consistently by messing with the seating depth. time will tell.

This is a brand new rifle and caliber for me so this is pretty early, I tested H4350, IMR 4451, and H4831SC got similar results from H4350 and IMR4451 so decided to go with the IMR since I can actually get it in 8lb jugs and I'm down to my last jug of H4530.



EDIT: Update with 400 rounds on the barrel the above load has now increased in velocity to 3120 fps and retains a low SD however it's on the edge of pressure issues when it gets hot. I've seen the exact same thing happen in my 260 with H4350, so I don't take this as an instability issue with the powder, it's just pushing the load a bit too hard.

I've reduced the charge to 39.5 gr and I'm still getting 3060 fps with an SD of 5 and grouping in the .3's





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axeltowXSergeant
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Re: 6x47 Lapua
05/26/2015
[HR][/HR]
Any chance you have your es or sd numbers for 4451?
Assault116 wrote:

Preliminary results, as I'm still testing seating depth, but so far

22" Kreiger 5R 1:8

105 hybrid

39.8 gr of IMR4451

3040 fps with single digit SD's

groups were in the high .4's and that was with zero seating depth testing, and on virgin brass IIRC after checking the chamber they were jumping about .060" I'm hoping to get those groups down into the .3's consistently by messing with the seating depth. time will tell.

This is a brand new rifle and caliber for me so this is pretty early, I tested H4350, IMR 4451, and H4831SC got similar results from H4350 and IMR4451 so decided to go with the IMR since I can actually get it in 8lb jugs and I'm down to my last jug of H4530.​
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Assault116XGunny Sergeant
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Re: 6x47 Lapua
05/27/2015
[HR][/HR]
axeltow wrote:
Any chance you have your es or sd numbers for 4451?​
The last group I ran (5 rds) over the chrono produced an SD of 3, I didn't note the ES number, the barrel also settled in a bit and the velocity is up to 3060 with the same load and once fired brass uniformly resized, the first rounds were all with virgin brass that was taken out of the box, sized (neck only really, no bump) chamfered/deburred, primed and loaded. I fully expected the SD to go down a bit just by more consistent brass sizing and it did.



I gotta say I'm liking this powder a lot, works great in my 260 too.

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jbailey1XFirst Sergeant
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Re: 6x47 Lapua
06/10/2015
[HR][/HR]my 6x47 L load is

105gr Berger Hybrid
39.5gr H4350
CCI BR4 primer
2.625" OAL

24" Hawk Hill 8-twist barrel, doing 3000fps (ES 10, SD <5) with about 40 rds on the barrel (expect it to speed up at around 120rds thru it).
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OBGCK4cXFirst Sergeant
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Re: 6x47 Lapua
11/23/2015
[HR][/HR]Anybody have any load data on 115 dtacs?

I'm getting a barrel spooled up here shortly,

Medium Palma/1:7.75 twist/.275 neck/.105 freebore

With the price and high demand of the 105 hybrids, I thought I'd try to chamber this barrel to shoot 115's and down...

Guess will see.
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kombayotch

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Re: 6x47 Lapua
12/03/2015 Last edited 12/03/2015 by kombayotch
[HR][/HR]
Surgeon 591 Action

26.5" Bartlein 1-7.5 twist 5R .237/.243 Medium Palma

My own reamer with a 0.2765 neck



105 Hybrid

39.8 gr. H4350

Rem 7.5 Primer



3089 fps. @ 32 deg., 3141 fps @ 105 deg. in my temperature test. SDs in the singles, ES below 20. Measured with a LabRadar.



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kyhuntclubXSergeant
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Re: 6x47 Lapua
12/28/2015 Last edited 03/31/2016 by kyhuntclub
(1 vote)
[HR][/HR]
25" Brux Sendero 1:8

.275 nk .090 FB

105 grain Hornady BTHP

36.2 Grains of Varget

3080 FPS on a Fresh barrel

3050 FPS at 1700 rounds

Update 3/31/16:

New Rock Creek Barrel at 25"

36.4 gr Varget

3095 fps











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LoweLeft

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Re: 6x47 Lapua
01/25/2016
[HR][/HR]
26" Benchmark 7.7 twist.

CCI-41, 115gr BN coated DTAC, 36.7gr Varget, 3014fps. Barrel/chambering was wicked accurate. Had some 5-shot groups in the .1s.



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Cloonius

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Re: 6x47 Lapua
02/02/2016
[HR][/HR]
Anyone find an accuracy load with Berger 105gr Hybrids and VV-160? H4350, Varget, and RL17 are really hard to find up here, with most places limiting powder to two pounds.

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2BarrelsXPrivate
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Re: 6x47 Lapua
04/07/2016
[HR][/HR]Anyone have load data for the 6x47L using 87gr VMax?
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Rob257XSergeant
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Re: 6x47 Lapua
04/22/2016
[HR][/HR]
Has anyone tried 115 DTAC's With IMR 7828

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6x47SteveXFirst Sergeant
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Re: 6x47 Lapua
04/23/2016
[HR][/HR]
Rob257 wrote:
Has anyone tried 115 DTAC's With IMR 7828​
I tried H1000 once. Too slow in burn rate for this cartridge so can't get enough powder in there to be effective. I got slow FPS and horrible SD and ES.

H4831SC was the slowest I could get to work right and the load is compressed.

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kyhuntclubXSergeant
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Re: 6x47 Lapua
04/29/2016 Last edited 04/29/2016 by kyhuntclub
[HR][/HR]
On the 87 grain Vmaxs..... I have never tried it but I have considered having a barrel spun up in something like a 1:9 twist. Testing it and if it shot well go and try to shoot it out in a few days of priarie dog hunting

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JarrodPSRSXPrivate
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Re: 6x47 Lapua
05/01/2016 Last edited 10/08/2016 by JarrodPSRS
[HR][/HR]
Sako TRG 22

Benchmark, 24", 1/8 twist, Light Palma

Lapua 6.5x47L Brass

FGM205M

41.7g ADI AR2209 (H4350)

Berger 105g Target Hybrid, BC - 0.560

3105 FPS @ 0.0 Deg, burn rate of 0.65 fps per 1 degree C.

OAL - 2.045

SD - <5

Consistent <0.5 MOA




 
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3gunGUYXPrivate
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Re: 6x47 Lapua
05/01/2016 Last edited 05/29/2016 by 3gunGUY
[HR][/HR]
Mausingfield Action

22" Blackhole Weaponry 8 twist polygonal rifling

Manners T4

Built by myself.



Starting load

38.8 H4350

CCI BR-4

Berger 105 Hybrid

2.045" base to ogive (.010 off lands)



Accuracy Load

41.7 H4350

CCI BR-4

Berger 105 Hybrid

.020 jump

Avg. Velocity - 3120 fps



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chooter1

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Re: 6x47 Lapua
06/25/2016
[HR][/HR]
M.O.A. 15" Kreiger barreled HANDGUN, Schuler brake, Leupold 4.5x14 Mark 4 32i reticle, Lapua brass of course, 39.5 grains H4350, Fed. 205m primers, and 105 Berger Hybrid. 2700fps, 6 SD, consistent 1/4" groups at 100 yards.

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6x47SteveXFirst Sergeant
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Re: 6x47 Lapua
07/09/2016
[HR][/HR]
Latest load on the new Mausingfield is 38.6 grains of H4350. 10 year old cases, CCI450's, 105 hybrids.

28" Krieger, 8 twist. 3114 fps.

Ladder test in .1 grain increments.





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LawnMM

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Re: 6x47 Lapua
09/14/2016
[HR][/HR]
Tried the Tubb 115 RBT DTACs today, still on the same 6x47L barrel, 26" Criterion Prefit 1:8 twist

38.4gr H4350 is getting me 2995fps with an SD of 3fps, if the BC information on these is correct they're going to be my new favorite load. 0.620 is almost a full point better than the 105gr Hybrids and I'm only giving up ~120fps

Works out to a trade off at 1k of about 10" more drop which is nothing but a full 10" less drift...testing continues!

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MTyotehunterXGunny Sergeant
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Re: 6x47 Lapua
10/18/2016
[HR][/HR]
25" Bartlein 5r 8.5-7.77 Gain Twist, mod. heavy Rem. varmint

105 Hybrid, fed205M, H4350 40.4gr producing 3030fps, tight ES and 1/4moa

Just working with the 115DTAC RBT HBN coated
Driving them with imr4451, lit with a 205M I found accuracy at:
.015 off
39.8gr giving 2935fps
41.0 gives 3006fps ES:11 SD:6 accuracy of 3/8"(maybe better, breezy)< I think that will be my new load!

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mushroomberger

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Re: 6x47 Lapua
11/06/2016
[HR][/HR]
I just had my rifle re-barreled to a 6x47. I have a couple questions.

1). Since I've just taken some 6.5x47 brass and run it through my 6x47 FL die, should I consider these first loads a fire-forming series? Not sure how reliable the results will be until the brass has been run through my rifle at least once.

2) I have a new muzzle brake. Should I do my load work-up without the brake or with it on?

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JigStick

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Re: 6x47 Lapua
11/06/2016 Last edited 11/06/2016 by JigStick
[HR][/HR]
26in Krieger 1:7.5 twist .237 bore 4 groove, 104 freebore
DeadAir Sandman S suppressor
40g H4350
CCI 450
Berger 105 Hybrid
1/4in groups

No chrono data yet. Will update soon.

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JigStick

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Re: 6x47 Lapua
11/06/2016
[HR][/HR]
Anybody have load data for like an 80g Barnes Triple Shock and H4350? Looking to load some deer bullets. Im pretty sure the 80s can get up over 3300

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GenochristXFirst Sergeant
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Re: 6x47 Lapua
11/06/2016 Last edited 11/06/2016 by Genochrist
[HR][/HR]105 Amax
.005" into lands
39.7gr H4350
Cci 450
2830fps
16" barrel with a 6.5 ultra 7
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6x47SteveXFirst Sergeant
Rating: 3.4/5 this site
8045 posts this site
Re: 6x47 Lapua
11/07/2016
[HR][/HR]
mushroomberger wrote:
I just had my rifle re-barreled to a 6x47. I have a couple questions.

1). Since I've just taken some 6.5x47 brass and run it through my 6x47 FL die, should I consider these first loads a fire-forming series? Not sure how reliable the results will be until the brass has been run through my rifle at least once.

2) I have a new muzzle brake. Should I do my load work-up without the brake or with it on?​
With the MB.

Shoot 100 rounds to "run in" the barrel. Then the cases will be formed and your barrel will have sped up.

Since you are necking down anyway it's a good idea to set a false shoulder causing a little bit of force against the bolt.

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JigStick

XSergeant
Rating: 3.3/5 this site
471 posts this site
Re: 6x47 Lapua
11/07/2016
[HR][/HR]
Came across this recently as well. My new barrel was reamed with a no turn reamer. The current lots of Lapua 6.5x47 have much thicker brass making up the necks. I had to turn my necks to get .002 of clearance despite the use of a no turn reamer. You guys may want you check your loaded round neck measurements to avoid pressure issues.
 
G

Guest

Guest
#5
mushroomberger

XSergeant
Rating: 3.1/5 this site
311 posts this site
Re: 6x47 Lapua
11/07/2016
[HR][/HR]
6x47Steve wrote:
mushroomberger wrote:
I just had my rifle re-barreled to a 6x47. I have a couple questions.

1). Since I've just taken some 6.5x47 brass and run it through my 6x47 FL die, should I consider these first loads a fire-forming series? Not sure how reliable the results will be until the brass has been run through my rifle at least once.

2) I have a new muzzle brake. Should I do my load work-up without the brake or with it on?​
With the MB.

Shoot 100 rounds to "run in" the barrel. Then the cases will be formed and your barrel will have sped up.

Since you are necking down anyway it's a good idea to set a false shoulder causing a little bit of force against the bolt.



I just didn't want to waste time on load development if the brake, the brass or the barrel were variables to cause inconsistent results. Thanks for the help​


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JigStick

XSergeant
Rating: 3.3/5 this site
471 posts this site
Re: 6x47 Lapua
11/19/2016
[HR][/HR]
I can't believe you guys are getting over 3100 with the 105 hybrids. I'm shooting a 26in Krieger with 40.5g of H4350 and Im around 3040. Maybe because my barrel has less than 100 down the pipe?

I'm only getting 3100 with 80g Triple Shocks with the same powder charge

Any ideas? Old powder?

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GenochristXFirst Sergeant
Rating: 3.6/5 this site
2131 posts this site
Re: 6x47 Lapua
11/20/2016
[HR][/HR]It's pretty common to gain 50-100fps when you get 1-200 rounds down the barrel. My speeds are hard to compare to. 16" barrel for me
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6x47SteveXFirst Sergeant
Rating: 3.4/5 this site
8045 posts this site
Re: 6x47 Lapua
11/21/2016 Last edited 11/21/2016 by 6x47Steve
[HR][/HR]
JigStick wrote:
I can't believe you guys are getting over 3100 with the 105 hybrids. I'm shooting a 26in Krieger with 40.5g of H4350 and Im around 3040. Maybe because my barrel has less than 100 down the pipe?

I'm only getting 3100 with 80g Triple Shocks with the same powder charge

Any ideas? Old powder?​
It'll speed up some.

Slow barrels exist and that is low FPS for the load and being 26". My old 21.75" gets 3020 fps but was low 2900's when new.



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JigStick

XSergeant
Rating: 3.3/5 this site
471 posts this site
Re: 6x47 Lapua
01/17/2017
[HR][/HR]
well my barrel sped up, just like you guys said. Im getting 3160fps with 40.5g of H4350. Im not getting pressure signs, but I am betting bullet spring back from compressing the powder so much. Im going to back off the powder a bit and target the node at 3100fps.

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Trapper127XCorporal
Rating: 2.9/5 this site
81 posts this site
Re: 6x47 Lapua
01/27/2017
[HR][/HR]
What kind of barrel life are you guys getting

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M5B2CFFXPrivate
Rating: 3.0/5 this site
19 posts this site
Re: 6x47 Lapua
Sunday at 6:32 PM
[HR][/HR]
This thread was an immense help to me loading for my new 6.x47L. Thanks.

For anyone curious, the average load for 105 Hybrids and H4350 is 39.52 grns / 3079 FPS, give or take. That's what I used as my base. Would like to try the RB115 Dtacs if they ever come in stock. Maybe 110 SMKs.

26 inch 1:7.5 Twist Bartlein - Mausingfield
105 Berger Hybrid
20 thou jump
CCI450
39.3 grns H4350
3063 FPS

SD -7FPS \ ES 18FPS
 

MTyotehunter

MTyotehunter
Apr 5, 2012
367
3
18
Montana
#8
Ive Had great luck with my forster FL die and wet lube like unique. chamfer outside and just one pass, Leave a false shoulder on the neck so your bolt closes on a case with medium/light tension. The false shoulder makes your cases fireform more consistently and your first loading will shoot more accurate.

Also fyi I use forsters "bench rest seater" as my seating die, love it.
 
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jbailey

Gunny Sergeant
Jul 27, 2010
1,497
48
48
44
Arlington VA
#9
is there any one that might send me to the right direction to see who might have a guide on necking down the brass?
Echoing MTYotehunter, I have had great luck w/ my Redding Neck Only die. Just put in the bushing with the neck size you want, some lube and re-size away. Leaves a 'false shoulder' as MTYote describes, but after the first firing, its gone and you are good to go. I'm using a 6.5x47L Redding Micro seater and having great luck w/ the 6mm 105s... I'm too lazy to buy a 6mm seater and I really don't need it as the 6.5mm will do it just fine.
 

knockemdown

suburban redneck
Apr 10, 2007
1,246
11
38
#11
Got my 6x47L load shook out well enough to share it. It's right in the wheelhouse with some others posted...

23" Bartlein 5R .237 bore, 1:8 twist, 150 rds on it.

Berger 105 Hybrid
2.660" (.015" jump)
39.3gr H4350
CCI 450

3000 fps (2998 avg for 10 shots), 11fps ES
Temp 50 °F. DA -230ft



 

knockemdown

suburban redneck
Apr 10, 2007
1,246
11
38
#12
Got a varmint load worked up for same rifle:

Hornady 87 Vmax
2.485" (.015 jump)
40.0gr H4350
CCI 450

3165 fps, 16 fps ES
Temp 58 °F. DA 160ft
 
Dec 23, 2008
111
0
16
45
Cecil, PA
#13
Stiller Tac30 AW action
25" Krieger. 8 twist barrel
450 rounds on barrel.

Berger 105 Hybrid
.010 jump
36.0 grains Varget
CCI BR primers
3012 FPS
SD 7. ES 18


 
Nov 23, 2010
188
0
16
31
Missouri
#14
26 inch Bartlein 5R Marksman contour
105 Hybrids
2.662(.010 off the land)
39.2gr RL16
Federal 205M
3043 fps average on 15 shots
SD:4.6
ES: 9


Latest load development
115gr DTAC Rbt
2.679(0.005 off the land)
Federal 205M
37.5 to 37.8gr of RL16 give 2940/2943 fps
Still work to do but it look promising.

I'll load 10 per charges in 0.1gr increment for 37.5 to 37.8 and see the results


Anyone have more data on the 115's with RL16?
​​​



​​​​
 

MTyotehunter

MTyotehunter
Apr 5, 2012
367
3
18
Montana
#15
Thought id touch back, final load development with tbn coated 115dtac&4451 .015jump

bartlein .237 25" gain finish around 7.77tw
ran it @ 41.3@3040 for 500rnds with great results but decided i was pushing the top end.
dropped to 40.2@2940 only loosing 2.7" drift@1000yd super stable load

again running coated 115dtac, 450rnds without cleaning and still shooting1/4moa
 
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steve123

Lt. Colonel
Mar 16, 2008
7,059
113
63
Flagstaff, AZ
#16
This morning, just for the heck of it because I've always been curious what speeds would be, I shot five rounds of 95 grain SMK pointed bullets/R17 powder/CCI450 primers, over my 35P in .5 grain increments starting at 41 grains. Below are the crazy velocities I got. The Chrono has alway been right on BTW.

Mausingfield action, 28", 8 twist barrel.

41gr - 3378 fps
41.5 - 3403 fps
42gr - 3454 fps
42.5 - 3480 fps
43gr - 3534 fps. WOW!!!, no ejector swipe, bolt wasn't sticky yet, primers not totally flat yet but almost. Pretty sure I could have gone to 43.5gr which I would estimate overpressure in my rifle and close to 3600 fps and I might as well mention such a charge would be halfway up the neck.

At 3534 fps I bet the BC would be .52 instead of .495. Bullet might end up blowing up mid air, don't know. Fun experiment so far though.

Thought you guys would enjoy the info.
 
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grovermn5

dumpster fire
Feb 6, 2012
55
2
8
llinois
#21
26" 1:7.75 Benchmark
cci 450's
105 hybrids .025 off

VV N150 @ 36.2gr 3040fps

VARGET @ 35.2gr 3025fps
***35.1gr VARGET out of my previous Krieger barrel produced the same velocity***

H4350 @ 39.0gr 3080 fps

low single digit SD's on all these loads. i dont use Varget anymore cause it seemed pretty hard on the previous(Krieger) barrel.

updated with current load:
108 ELDM's with H4350 @ 39.0g 3065 fps
 
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Likes: oakfig

lte82

Shooter
Mar 12, 2013
869
46
28
#23
Fire forming with Berger 108s & 38gr RL16. ~3000 fps in a 26" 8t bartlein. 5 shot groups generally sub 1/2 moa, some well below. I think the node is going to be around 3080-3100, but it shoots acceptable with almost any powder charge.
 

Attachments

Gilly

On Target
Feb 27, 2009
472
18
18
Coloarado
#24
Just started into loading for the 6x47. I’m wondering what some have seen if anything from a velocity or accuracy shift between necked down brass first firing with false shoulder to second firing after it has been “formed”??

Just got this barrel and did some velocity ladder tests for max load even though I’ll need to run again after it speeds up, and working on seating depth right now with 110 smk. Using necked down lapua brass and varget. So far pretty pleased with initial results but wonder if I will have to make any adjustment to load after brass all has 1st run on it.
 

lte82

Shooter
Mar 12, 2013
869
46
28
#25
Just started into loading for the 6x47. I’m wondering what some have seen if anything from a velocity or accuracy shift between necked down brass first firing with false shoulder to second firing after it has been “formed”??

Just got this barrel and did some velocity ladder tests for max load even though I’ll need to run again after it speeds up, and working on seating depth right now with 110 smk. Using necked down lapua brass and varget. So far pretty pleased with initial results but wonder if I will have to make any adjustment to load after brass all has 1st run on it.
I'm seeing a 30-50 fps reduction on the 2nd firing.
 
Oct 29, 2008
353
41
28
Denver CO
#26
24" 1:7.65 Proof Barrel
205M Primers, 105g Berger Hybrids

37.2g Varget - 3,098 fps 1/4 MOA

40.5g H4350 - 3,130 fps 1/4 MOA

Single digit SD's, occasional single digit ES ...

H4831SC: not enough case capacity to get these moving well but SD's and accuracy good ... stopped testing ..


Note : 39.8g - 41.0gr H4350 shoots 105's, 107 SMK and 108g ELD very well ... from 3,070 - 3,150 fps
 
Likes: goin_long
Mar 16, 2008
7,059
113
63
Flagstaff, AZ
#34
What load did you shoot to get 2400? Also which brand barrel?
It was a Broughton and it was a super accurate barrel. I won a tactical match done at 100Y on paper, a test for a big match that the club was planning for some stages, it was easy with that barrel, the bullet pretty much touched the crosshair all the time!

I was just reading about good barrels yesterday on a benchrest site. They claim a good barrel will tolerate multiple set backs and still shoot well. One guy had over 3000 rounds before he retired it from match use (winning often and scoring high) to varmint use, 3rd set back I assume.

This current barrel is a good one too and why I think it's still going strong. It's a Krieger. It's on it's first set back (at 400Y, long story) so it's been chambered twice now, I'm going to give it to a friend when it gives out this time and he'll set it back again.
 
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