300-221 in an AR help me with mags
Hey guys I picked up a AR upper to go along with my bolt gun but I am having some trouble feeding them in my mags. I tried a few 20rnd Pmags and and one well used metal mag. Any hints and tips you guys can pass along?
I am trying to keep the same OAL between my Bolt gun and AR just to help with the reloading.
Dustin
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