I finally got to the range with my 20" .22 LR and the new CMMG Mags.
I started with the 25 round mag. Started off fine. Easy to load, fed reliably. Then I started having FTE's which I never have with a CMMG set up.
Turns out it is the BHOA. I was told by CMMG that the BHOA will require a 45 degree angle ground on the forward part of the tongue(metal tab that the follower pushes up on) It also needs to be slightly shorter for use with the new mags. I tried to do it with a Dremel but the hardened steel wouldn't budge.
CMMG will offer a free exchange on the BHOA and offer a "How To" for guys that want to do it themselves. What happens is the tab hits the rim of the round and get jammed up.
For the range results.
I took the wron lower with me. I had a new, bone stock CMMG lower. G.I. trigger which isn't great for groups.
I tried CCI HP
CCI Subs
Federal Bulk
Winchester 333 Bulk
My little friend, oddly enough, likes the Winchester 333/555 Bulk sold a Walmart Yeah me!
Rifle was consistant, especially considering the trigger and shooting bulk pack.
Rifle has a Mueller 8.5-25 Tactical Scope with AO
TacSol .22 Comp
Free Float Rifle Tube
I ran it dry until I had the cycling issues. Pulled the bolt, 1 drop of oil per rail, no more feed problems.
Here is what I got. All targets at 25 yards. 5 shot groups with Winchester 333 Copper Wash 36gr. Bulk
Rifle
Results:
I shot a few rounds at 50 yards. Someone left a 2x2 Shoot and See. Every round was on it and consistant. Next trip will be at 50 yards with a target lower
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