AR15 5.45x39mm kit question
Ok, I have a 74 varient and a fair amount of ammo. I want to buikd another ar and hav ev seen a few kits in this chamber. My only real question is will I need diffrent magazines, followers? If so, what is ability like for the mags/followers? I have a fair amount of surplus m16 mags but didnt kniw if they would cycle and feed the 5.45 rounds
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