22 ARC buffer
- Thread starter rick539
- Start date
I just finished my load development on an Odin 21" barrel. Standard carbine buffer with adjustable gas block. Shooting suppressed. Just tune the block and you're good to go.
32.6gr of CFE223 under 69gr RMR hollow points. My 5 shot test was 5.3sd and .48" 3136fps.
The 32.4gr load was 5.7sd and .31" at 3106fps.
All were on once fired hornady 22arc brass. There was a noticeable difference in neck tension on the resized hornady 6.5grendel brass that I loaded up. I haven't had it back out to check the difference between the two types of brass. That'll happen Tuesday.
On your 21 inch barrel, what size handguard are you using. I just ordered a rainier arms 22” ultra match barrel. It has a rifle +1 gas system. Was going to go with an .875 Odin works low profile adjustable gas block under their 17.5 O2 handguard. I’ve started buying up as much factory rounds as I can so to reuse brass.
Odinworks 16" 02 lite handguard. I believe this barrel is a +1 gas system.
If you have access to any 6.5 grendel brass, it's a one step process through your 22arc sizing die.
Back from the dead. Would you recommend an A5 buffer system or standard carbine system? I am gathering parts for a 22 ARC build right now. I am going with a Craddock Precision RTR barrel either 18" or 20". The 18" is a rifle gas system. The 20" is a rifle +1 gas system.
Running the 18" rtr with carbine buffer system.
I'd go 20" with +1" and not consider another.
Cartridge begs for longer gas system.
.02
Broncovan, how did you get an sd in the 5's! That is amazing! Best i can get is mid teens. Good work! Thank you for sharing your recipe. What's your secret?
Pure luck.
I've always had good luck with low sd's and accuracy using cfe223.
Good sd's with TAC, but accuracy sucked.
I dunno, just what I've ram into
