Looking into a .224 valkyrie build and was curious for those that have done it in the ar-15 platform what were the issues you ran into? Seriously considering this round for coyotes. Currently running 7.62x39 but it’s a dud after 200
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What barrel or upper did you go with?
I also have a 22” Rock Creek from Craddock with a matching bolt. The rest of mine is a Frankengun from high quality components. I love it.I have a great one. Nothing special except the barrel, tried to go Ballistic Advantage to save money but it sucked. Ended up with a Rock Creek from Craddock, it rocks. good barrel is the key.
What did it take get the Federal and Hornady to cycle? Light spring/weight?I also have a 22” Rock Creek from Craddock with a matching bolt. The rest of mine is a Frankengun from high quality components. I love it.
As to cycling issues, I used the JP SCS system and an adjustable gas block to tune it. Once I got it cycling right, it shoots both 88 Hornady and 75 Federal equally well and is a laser with both up to about 600, then the 88 is better with the 75 losing ground after that accuracy wise.
The Federal 90gr Superformance also shoots really well, but costs a lot more and requires a spring change and gas block adjustment to not over cycle.
Are you running an AGB?What did it take get the Federal and Hornady to cycle? Light spring/weight?
My 22" RLGS with rifle buffer setup and 18" R+1, A5H0 setup easily cycle the Federal, but not so much the Hornady; with the AGBs partially closed for the Federal and full open for the Hornady. Going to try a rifle buffer with Al weights and lower force springs next.
Edit: then just open the gas ports.
Yes, the 22" has a Wojtek ARTKO and the 18' has a Superlative Arms. For the 75gr Federal, the 22" runs partially closed and the 18" runs unobstructed and unvented. I'm pretty certain both barrels have undersized gas ports for the Hornady. But am surprised there is such a large difference between brands.Are you running an AGB?
Interesting, I guess drill them out a smidge, with the block you can dial it back in.Yes, the 22" has a Wojtek ARTKO and the 18' has a Superlative Arms. For the 75gr Federal, the 22" runs partially closed and the 18" runs unobstructed and unvented. I'm pretty certain both barrels have undersized gas ports for the Hornady. But am surprised there is such a large difference between brands.
The Federal 90g Superformance worked great with normal spring and fairly open adjustment on the SA AGB. +2 gas. When I switched to the Hornady 88g, I had to drop to the lightest weight spring in the SCS set and a mostly closed AGB. That same setting works on the AE 75s also though they eject a bit earlier. If I had enough of either, I’d adjust for each separately for optimal ejection and cycling.What did it take get the Federal and Hornady to cycle? Light spring/weight?
My 22" RLGS with rifle buffer setup and 18" R+1, A5H0 setup easily cycle the Federal, but not so much the Hornady; with the AGBs partially closed for the Federal and full open for the Hornady. Going to try a rifle buffer with Al weights and lower force springs next.
Edit: then just open the gas ports.
Time to learn how to build an AR yourself. They're easy to assemble. I learned how to do it from a few websites and YouTube videos. And it's a little more satisfaction when it's all said and done.My build is on hold not because of me but the guy I use for builds broke his wrist in an atv accident and is now out for a few weeks and will not be back to building for that time. So my build is on hold right now but will get it out and share my results when I do.
It's going to depend on the projo you loading. And, if you're looking for velocity, temp stability, low SD, or barrel life.What’s the powder of choice with these? Ball or something more temp stable?
Perfect world would be velocity and low SD. CFE 223 seems to provide the velocity in a couple calibers but it has a pretty high temp stability issue. I thjnk it’s 1.75fps per degree? Varget for instance is roughly .19 based on all the charts I’ve seenIt's going to depend on the projo you loading. And, if you're looking for velocity, temp stability, low SD, or barrel life.
There's a lot of good powders you can use in the .224V.
That's what everyone is always chasing. But top velocity and low SD don't always produce the tightest groups. Throw into the mix having to reliably cycle a GG, keeping copper and powder residue out of the bore and reciprocating parts, and it's not so simple.Perfect world would be velocity and low SD. CFE 223 seems to provide the velocity in a couple calibers but it has a pretty high temp stability issue. I thjnk it’s 1.75fps per degree? Varget for instance is roughly .19 based on all the charts I’ve seen
This thread is getting me to thinking I need to finish my 224 Valkyrie project. I have a 20" Bartlein 1/7 twist barrel and JP bcg collecting dust. However, I need another AR like I need another butthole.