22-250 ai

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altron274XCorporal
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22-250 Ackley Improved Loads (coyote loads)
10/29/2014 Last edited 10/29/2014 by altron274
[HR][/HR]I recently bought a gun chambered in the 22-250ai as my designated coyote rifle. Im looking for loads that will put down yotes from about 500 yards and in. Fur preservation is also a big goal here so something that is lethal enough for a clean kill but that doesn't tear a big hole in the fur on exit. Thanks guys.
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GawdamnRightXGunny Sergeant
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Re: 22-250 Ackley Improved Loads (coyote loads)
10/30/2014
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altron274 wrote: I recently bought a gun chambered in the 22-250ai as my designated coyote rifle. Im looking for loads that will put down yotes from about 500 yards and in. Fur preservation is also a big goal here so something that is lethal enough for a clean kill but that doesn't tear a big hole in the fur on exit. Thanks guys.​
22-250AI case capacity dupes Swift case capacity,so the load data interchanges. hint.



What twist? What receiver?

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altron274XCorporal
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Re: 22-250 Ackley Improved Loads (coyote loads)
10/30/2014
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GawdamnRight wrote:
altron274 wrote: I recently bought a gun chambered in the 22-250ai as my designated coyote rifle. Im looking for loads that will put down yotes from about 500 yards and in. Fur preservation is also a big goal here so something that is lethal enough for a clean kill but that doesn't tear a big hole in the fur on exit. Thanks guys.​
22-250AI case capacity dupes Swift case capacity,so the load data interchanges. hint.



What twist? What receiver?​
Oh, I didn't know that. 1:8 twist in a rem 700 reciever
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GawdamnRightXGunny Sergeant
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Re: 22-250 Ackley Improved Loads (coyote loads)
10/30/2014
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You are in a good place with COAL latitude and an 8" does nice things in that chambering.

It hammers schit.



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GenochristXFirst Sergeant
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Re: 22-250 Ackley Improved Loads (coyote loads)
11/03/2014
[HR][/HR]I've been working with my for a little over a month. Like my other ackleys I start with the max for the parent case and go up from there. I've been forming brass with 68gr hpbt and 75gr amax over RL15. The 68 has shown more promise for me. I have a 9 twist though. Once I get through all my 22-250 brass then I might start a more precise load work up but for now it's shooting really well.
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SonicCrackXFirst Sergeant
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Re: 22-250 Ackley Improved Loads (coyote loads)
11/06/2014 Last edited 11/06/2014 by SonicCrack
[HR][/HR]My varmint load is, Lapua case, BR2, 38.8 grains of IMR XBR, 55 grain BlitzKing, 4003 fps from a 1-14 twist 28" tube
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CDIBBS

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Re: 22-250 Ackley Improved Loads (coyote loads)
01/18/2015
[HR][/HR]Mine is a 14 twist, but likes a Nosler 55 BT or 55 Berger over 42 grains of H414. The Nosler is less explosive than a Vmax or Berger MEF, but if you hit a shoulder bone your results may vary widely depending on range and impact velocity. Wish I had gone with a faster twist to use the heavier 22 caliber boolitz. .
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nilescoyote

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Re: 22-250 Ackley Improved Loads (coyote loads)
09/16/2015 Last edited 09/16/2015 by nilescoyote
[HR][/HR]Since the title says "Coyote loads" AND its a sticky, I thought the OP was calling for me by name, so to Honor his request... I present my new found love in 22-250AI.

The rifle wears a 25" green mountain (I believe) 1:7 twist Remington varmint contour barrel chambered by Apache Gunworks and attached to my stiller by me.

I went to the range and did some load work today. I am using 80 grain Hornady A-Max for the moment and while searching for load data found many were using H4350, H4831sc and H1000. I decided to try H4831sc, leaving my stash of H4350 for my 6.5's


While searching load data I found a poster who declared 39 grains to be were it was at with H4831sc and loaded up three cartridges each at 1% of the target load (1%=.39 grains)and ended up with charges of 37.8, 38.2, 38.6 and 39.0 in my fireformed cases.

Note: At 39.0 grains I still have plenty of room for more powder, possibly another two or three grains or so before I start compressing.

37.8= 2819 SD=12 ES=24
38.2= 2875 SD=25 ES=50
38.6= 2907 SD=23 ES=47
39.0= 2927 SD=10 ES=19

I was shooting at a target at 200 yards and both the first and last weights shot the best. But as you can see from the Velocity data I an in the mildly hot range for a standard 223... So I plan to continue north to my next node or two that should be somewhere around 40.2 and 41.4 while putting me into the 3k range.

After shooting over my magnetospeed I took it off and tried the 39 grain charge at, see below:

700 yards


900 yards


I also had loaded some extra with 37.8 so I decided some practice time from kneeling was called for... but alas, I didnt have my sling with me. Oh well, adapt and over come, Right?!?

So I went 8 for 10 at 600 on a 24" (3.8 moa) target.




Looks like I should have taken a couple tenths off the elevation turret to center the group

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nilescoyote

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Re: 22-250 Ackley Improved Loads (coyote loads)
09/17/2015
[HR][/HR]Today at the range I continued to work up from 39.4-41.4 in .4 grain steps... 3 shots each.

39.4= 2985 SD= 13 ES= 25
39.8= 3020 SD= 6 ES= 13
40.2= 3051 SD= 23 ES= 41
*40.6= 3071 SD= 2 ES= 3
*41.0= 3122 SD= 3 ES= 6
41.4= 3154 SD=12 ES=24

*Note, this maybe a nice area to explore 40.4-41.2 along with some changes to seating depths. right now I am just loading everything to -.03"

The 200 yard target.

 
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nilescoyote

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Re: 22-250 Ackley Improved Loads (coyote loads)
09/21/2015 Last edited 09/21/2015 by nilescoyote
[HR][/HR]


Today I continued load work and also hit the first signs of pressure.
41.8= 3164 SD=8 ES=16
42.0= 3199 SD=4 ES=9*
42.2= 3202 SD=4 ES=9
42.6= 3225 SD=7 ES=15**
43.0 only shot two average was 3256 and each headstamp showed ejector swipe.

*= my revised predicted node after finding the much wider node centered around 40.8g, Looks like 42.1 would be the center of this one.

**= one case had a very faint ejector swipe.

So what does the 40.8 look like at 1k

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McNamara0851XCorporal
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Re: 22-250 Ackley Improved Loads (coyote loads)
11/29/2015 Last edited 11/29/2015 by McNamara0851
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Subscribed for future reference. I'm waiting on an 8 twist 22-250 AI barrel to be finished now.

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GenochristXFirst Sergeant
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Re: 22-250 Ackley Improved Loads (coyote loads)
12/05/2015
[HR][/HR]Finally got around to doing a bit more work with my AI. It was shooting pretty good before with the 68hpbt but I wanted to try 70vlds. At 34.8gr it's shooting 3/4" groups at 200. She really came to life with this combo. Being I have a 1-9 I'll probably stick with the 70s in formed brass. I went to a false shoulder for forming because my smith fucked up and ran the reamer in .040" too deep! Not the end of the world though. Brass is for ing great and accuracy is where I want it. I'll be shooting for 3600fps with formed brass. Ballistics are lookin pretty good.
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shNateO

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Re: 22-250 Ackley Improved Loads (coyote loads)
12/06/2015 Last edited 12/07/2015 by shNateO
[HR][/HR]Fire formed Win. Brass
75 g. Amax seated .015 off
cci 200
37.8g Varget

TS customs chambered it in an 18" Shilen and shoots in the high .1's at around 3240fps

5 @ 105 yds.

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GenochristXFirst Sergeant
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Re: 22-250 Ackley Improved Loads (coyote loads)
04/04/2016
[HR][/HR]Have you tried H4350 with the 75s? I know a few guys having good results with it and the 75s. I ended up going to it with the 70s. 3385fps with a full charge in formed brass. I got the extreme spreads way doing going it it.

I know of more than one person shooting H1000 with the 75 and heavier bullets too. About 44gr with the 75 seems typical. That's a full case no doubt.

I've found that just like my other AIs it tends to like powders that are normally considered too slow for the parent case. I might try H4831sc once our spring shooting season is over, just to split the difference of 4350 and 1000.
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beretta989

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Re: 22-250 Ackley Improved Loads (coyote loads)
05/09/2016
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I'm running 38.5gr of H4350 with 75 A-max 26 tube 3420fps tight clover at 100.

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beretta989

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Re: 22-250 Ackley Improved Loads (coyote loads)
05/09/2016
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I tried H1000 43.5 great speed but group was .7 so back to H4350.
 
#3
I've been playing around with a 22-250AI I built last year, and I am finally narrowing loads down to what I intended the build to be for. It's a 21" 1-7 #3 X-Caliber 5R barrel I chambered on a R700 in a Manners EH2. Shot in the .2s with the first H4350/75 A-Max fire forming load I came up with. There's not a ton of info on 90gr bullets, so I bought Quickload to mess around with. After realizing that the H20 capacity was WAY off in the program, I got it adjusted to match my formed Lapua brass, and I got some solid info to start from. I started with H4831SC.


90gr Berger
Formed Lapua brass
WLR
41.0 gr H4831SC
2.660" OAL (touching lands in my chamber)
2998fps

Not really what I was looking for as far as speed, but it too shot in the .2s. I have a bunch of RL17, so I tried that...

90gr Berger
Formed Lapua brass
WLR
38.5gr RL17
2.660" OAL (touching lands in my chamber)
3190fps

NOW we are getting somewhere. Accuracy was the same as at 3000fps, no real pressure signs and easy bolt lift. Probably has a small bit of room to grow, in my gun at least, but I am satisfied with speed. Anybody wanting to try this, as always, start lower and work up. There's next to no 90gr bullet data for 22-250AI, so I hope this helps somebody out!

Gerry
 
May 23, 2017
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#4
Nice loads and great shooting everyone!. Love the 22-250AI caliber. Have had lots of them over the years. Currently have a lilja 24" 1-9 twist that i shoot 53 grain vmax right at 4000. Am going to try some 75 amax out of it now. This thread made me want to play with the 22-250ai again.
 
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