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AR15.COM
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4/16/2007 9:39:23 PM EDT
guys i got the chance to runs some rnds thru my RRa 9 MM upper this past sunday, i used 2 new promag mags. I was using wallyworld winchester 100pk specials as ammo, ran about 150 rnds thru it, The first 2 clips were perfect, got it zeroed and was in heaven, then 3rd mag first rnd stovepiped and when i pulled the bolt back to clear, the next to rnds fell out.I then conintued to shoot. next mag in happened after 3-4 shots
, I was loading it up with 10 out of 32 rnds in the clips each time i shot..

what would be causing this to happen? Mags? the spring and buffer are pretty new, i think i have the rra mag block set in the right spot and it never came lose. any help with be greatly apprciated..
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