Got a 16" AA upper and a lower with a Magpul STR telestock. In all likelihood it's got a carbine buffer weight in there.
It worked great with Wolf steel case 100gr. I got a couple failures to go into battery today with Wolf Gold 120 gr, looked like it was almost a bolt override.
Would a heavier buffer help?
It worked great with Wolf steel case 100gr. I got a couple failures to go into battery today with Wolf Gold 120 gr, looked like it was almost a bolt override.
Would a heavier buffer help?
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