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I had Sharp Shooter Supply rechamber a 26 inch 112V from 22-250 to 22-243 AI 40 degree. I never really pushed the pressure with it. Shot 60 gr Hornady spire point at 3800 fps comfotably. I would have to dig out notes to tell you what powder I used.

Let me know if you are interested.


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Originally Posted by woodson
Dave I look forward to how that Hawk Hill barrel shoots once you get load development done. Also report on how it cleans up?

Looks like a fun project.


Hawk Hill’s .224 barrels do not disappoint.
.223 here. 10 shots, the flyer fugked me.
55gr vmax over Varget.
The other group was some mil surp fmj.
[Linked Image from i.postimg.cc]

Last edited by jackmountain; 08/10/22.


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I’ve got the Hawk Hill 1-7 224 barrel for my sons gun you gave me the stock for. Along with a TriggerTech. It should be a dandy when it’s all done.

Hope it shoots like that.


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Originally Posted by dave7mm
Originally Posted by SKane
That looks like a fun project.

Should push a 55gr to 3900ish, no?
I think thats a realistic estimate.
Won't know for sure untill I get some ladders shot and see where the pressure is.
dave

dave7mm;
Good evening to you sir, I hope the day behaved for you and all who matter to you are well.

Thanks for the thread and the build specs, it looks like an interesting project for sure.

Just looking at the cases, that is a .22-250AI that I've got and a .243 case, I can't see why 3900 with a 55gr would be a problem to hit or exceed.

Years and years ago I built a long range coyote bomber with a 1:14 twist in .22-250 because that's what we did then. It's a 26" Douglas Premium Air Gauged No 4 contour so not really a lightweight rifle, but it'll push 55gr VMax or Ballistic Tips to 3850 with either IMR or H 4895.

Photo of ancient boomer coyote medicine.
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When our youngest daughter started hunting, she got a whitetail doe draw and we were hunting the hayfields of the fellow we bought horse hay from, so packing the gun wasn't an issue. I went as far as loading up some 55gr Hornady Spires in it and also bought some 60gr Partitions, but she killed her young doe with her .250AI without needing help from the Old Man, so that was that for testing it out on deer.

As GWP said, it's absolute death on dogs. Crazy really compared to almost anything else we tried.

I want to say that Eileen Clarke has been using a .22-250 on some smaller big game the last few years too and the reports have been all great, so yours should be just a bit better than great, you know? wink

Thanks and good luck on your hunts with it.

Dwayne


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I have a 14 twist Swift and have been thinking of a fast twist .243 Middlestead or Swift for medium size game. The problem I find with .224 is the same with 6mm, there aren't many (any?) high bc hunting bullets that will take the high impact velocities consistently. I'd like a 75 grain .224 mono hunting bullet or even a very good bonded bullet with a bc around .450 that would work in a 7 or 8 twist, just like I'd like a 90 grain 6mm mono (or decent bonded) hunting bullet with a bc near .500 that will work in a 7 or 8 twist. But they haven't been developed yet, at least not by the large bullet manufacturers.

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[Linked Image from i.postimg.cc]
First blown case ..
dave


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[Linked Image from i.postimg.cc]
243 win
22/243 Middlestead
22 CHeetah
Left to right.


Dave


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Looking good buddy! Looking forward to seeing a few going over the radar!


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Cool looking case. I’m also curious to see the numbers.



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Originally Posted by Kaleb
Cool looking case. I’m also curious to see the numbers.
Here you go
[Linked Image from i.postimg.cc]
Chronograph .. Ohler model 33 with 10 foot spacing between screens.

dave


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Haha that’s awesome. A 55 ttsx hitting a deer that fast sounds impressive!



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No way I'll get to 48.
Not happening.
But I like to know where the top is.
Well I found it.
I'm thinking I should be able to operate at 4100 or at least in that range.
Thinking as the temps drop so will the feet per second.
Time will tell what lower temps will give me.
Now I'll see if I can put some groups together.
Make some more cases.
I'm liken the way the Hawk Hill barrel cleans up.

dave


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220 swift 1/8 twister, 55gr ttsx at 3950 fps....

[Linked Image from i.postimg.cc]

220 swift, 1/7.7 twister, 70 gr tsx at 3400 fps...

[Linked Image from i.postimg.cc]


Notice an exit wound in the hind quarter, full length penetration, Not sure you could capture either load in a bull elk


Originally Posted by Judman
PS, if you think Trump is “good” you’re way stupider than I thought! Haha

Sorry, trump is a no tax payin pile of shiit.
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👍

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Originally Posted by irfubar
220 swift 1/8 twister, 55gr ttsx at 3950 fps....

[Linked Image from i.postimg.cc]

220 swift, 1/7.7 twister, 70 gr tsx at 3400 fps...

[Linked Image from i.postimg.cc]


Notice an exit wound in the hind quarter, full length penetration, Not sure you could capture either load in a bull elk


NICE.
irfubar .
Question?
How far away?

dave

Last edited by dave7mm; 10/13/22.

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Deer 100 yds... antelope 210 yds


Originally Posted by Judman
PS, if you think Trump is “good” you’re way stupider than I thought! Haha

Sorry, trump is a no tax payin pile of shiit.
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Irfubar
Guess that answers the question about getting exits with 22 caliber bullets..

dave


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[Linked Image from i.postimg.cc]

dave


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[Linked Image from i.postimg.cc]

dave


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46.3g Reloader 17
55g TTSX -.050 off.
.256 neck . .251 loaded round diameter on neck.
CCI BR2.
Lapua 243 Win case.

Three rounds fired.
Low 4154
High 4164
Diff. 10
Avg. 4157
SD. 5

I wish I could say it shot well but it didn't show me much as while monkeying around with it I had taken it apart.when I put it back together I had the magazine box pinched... That's bad juju.
Only 22 rounds fired so far.

dave


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