223 bullet twist rate?

[anotherred]

I'm thinking of a new barrel for the ar. The bullets (using BT dies) are coming in around 57 grs.. What do you guys think would be the best for these bullets considering the profile and weight? I'm reading between 1:9 or 1:10 twist.
Edit: It looks like these is almost nothing available for 1:10

[Utah Shooter]

I think you would be fine with either of those 2. 1:9 is a good stable twist rate and probably more plentiful.

[M-Tecs]

If not shooting over 62 grains I would look at a 12 twist.

http://www.gunsandammo.com/ammo/pair...st-rates-ammo/

https://thefiringline.com/forums/sho...d.php?t=530927

[308Jeff]

For an AR? I'd pick a 1:8 every time. Should cover you from 50-77 grains.

[308Jeff]

Yeah, I jumped too quick on that one. For a 57gr cast bullet, I'd go slower.

[M-Tecs]

Per the OP its for BT swage dies. Jackets will be from 22 cases. Normally I recommend faster twists for jacketed bullets but for jackets from 22 cases over spinning seems to magnify any imbalances.

With a bullet like a Nosler Ballistic Tip or Hornady V-max I prefer to be over spun. With cast or 22 case jackets I get my best accuracy from more conventional twists.

[Hick]

I've got 1:9 in my 223 Remington barrel (not an AR). My mold drops them at 58 grains and they work quite well-- BUT, when I drive them over about 1750 fps accuracy goes to hell. Below 1750 my accuracy is great. I've been reading the posts here about maximum RPM for cast bullets and discovered that with the 1:9 twist I am over 140,000 RPM at 1800 fps-- which some of the experts here say is too much for a lead bullet. I'm OK with this velocity limit for my purposes (I load jacketed for higher velocities)-- but if you want to push cast faster you might want a slower twist.

[Utah Shooter]

I use a 1:8 RRA with 52 gr projectiles made with 22lr cases and have not seen any issues with them. I just did not suggest one because it was not asked. I think you will be fine with any of them really.

[runfiverun]

1-8 is fine.
1-9 will stabilize a 57 no problem.
3 of us were shooting home swaged 57's at ground squirrels yesterday [using 1-9 rifles] made using .650 jackets.

I was also shooting my 64gr .704 jackets at rock chucks and ground squirrels in my 1-8,
they both shoot to the same poi in my rifle out to 150yds.
[ the 1-9's will stabilize them too, but I ain't letting the kids shoot the last of my J-4 jackets at ground squirrels]

[M-Tecs]

With that bullet any of common twists will work but what is going to be the most accurate. This is based on the 6mm BR but it covers the accuracy related considerations with the different twist rates. http://www.6mmbr.com/barrelFAQ.html

[Forrest r]

I'm not the best example but I have no problem using 1 in 9's & 1 in 7's with the bullets swaged from 22lr jackets.

Been making 62 gr bullets for plinking/blasting.
[IMG][/IMG]

I don't trim the 22lr cases/ the cores get uniformed/ nothing more than free range lead for core/ free 22lr cases/ free mixed range pickup cases.

These test groups were shot from a $300 savage axis (1 in 9) that had a $50 mail in rebate & I sold the scope that came with it for $50. A $217 ($17 tax) rifle with mixed brass/range pick-ups. & home swaged bullets. That 25.5gr of bl-c2 (with nato cases) or 26.0gr (commercial cases) has always delivered moa or better with most 52gr to 63gr bullets in several 223rem's I've owned over the years. My home swaged bullets are no different, 5-shot ladder test.
[IMG][/IMG]

Whatever the savage likes the 1 in 7 16" bbl'd mid-length ar gets. While I've never done any real accuracy tests with the 1 in 7 ar. The bullets leave round holes in paper & has no problems hitting 3" black circles @ 50yds off-hand/iron sights with my old eyes.

[BT Sniper]

I just got back from shooting ground squirrels this weekend as well Dispatched a lot of them with these 22lr jacketed bullets, even got a bit of it on film which I hope to share soon.

I happened to have some 70 grain lead tip bullets I made from 22lr brass jackets and shot them threw my 12 twist 223rem with very good results.

I sold all my 9 twist AR barrels for a 12 twist.

I like the 12 twist and have been shooting a 12 twist CBI barrel on my 223rem bolt gun now for the last three years with all my bullets made from 22lr brass.

For me personally with the bullets I shoot now days I'm good with a 12 twist but.... my stock Savage 223rem 9 twist barrel also did very well with shooting these same bullets.

I don't think one needs a twist faster then 9 twist when shooting bullets made from 22lr jackets.

Brian

[BT Sniper]

I got my 12 twist barrel for my AR from White Oak Armament. I have not had a chance to shoot it for accuracy yet. Only put 10 rounds threw it for barrel break in so far.

https://www.whiteoakarmament.com/sho...t-barrels.html

I am currently looking at X-caliber barrels for a possible 20-223 barrel for my next AR build.

BT

[BT Sniper]

My 9 twist AR barrels also shot bullets made from 22lr brass in the 55 grain range just fine as well. Those where both Armalite 24" barrels.

Don't think you will go wrong with anything from 9-12 twist and as you have seen there are those of use shooting these bullets threw 8 twists and even 7 twists.

My vote for shooting bullets made from 22lr brass at a weight of 70 grains or lighter would be a 12 twist based on the results I have gotten from the 12 twist CBI 26" barrel I am shooting on my bolt gun.

Good shooting and swage on!

BT

[BT Sniper]

One last thought on the matter for me.....

A good quality barrel will probably mean just as much as twist rate when it comes to accurately shooting our bullets made from 22lr brass. For example a well made 7 twist barrel from a known barrel maker will probably shoot better then a poorly made, or rough 9 -12 twist barrel.

But if you combine a good barrel maker with an appropriate twist for the given weight bullet one would think it should give the best chance for success on target.

BT

[BT Sniper]

X-caliber has any twist you could possible need for 22 cal AR barrels from 6 to 16 twist!

I'm pretty sure my next barrel for an AR will come from them.

http://www.x-caliber.net/custom-ar-barrel

[runfiverun]

I shoot naked lead in my 8-9 twist rifles in the 2800 fps area with no drama and groups only slightly larger than jacketed bullets.
they do what I need for zero extra dollar outlay.

it isn't hard to shoot lead fast [and the 223 is one of the easiest to do it in] you just have to quit buying into what cannot be done and focus on what can be done and do it.

[DukeInFlorida]

Not wanting to sound like a barrel snob, my home made swaged​ 55 grain bullets shoot .5 moa out of an off the rack 1:9 barrel.
I don't do anything special making them. I don't even bother matching cores to jackets for perfect weights any more. We're popping push pins like crazy, just ad-hoc.