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knkali
05-19-2012, 2:00 PM
Using Promags. The Bolt locks back after firing the 2nd to last round and the last round is left rattling in the receiver. Is this a feed lip out of spec. Mag is almost new. Should I bend the feed lip inward to help hold that cartrige in place better?
Only happens when doing rapid bursts. Plinking with gun on bench seems OK
thanks

knkali
05-19-2012, 6:16 PM
ttt

jokat989
05-20-2012, 11:28 AM
ive had trouble with pro mags. they are a soft steel so try monkeying with the feed lip geometry or pick up some pmags

818gtiguy
05-20-2012, 12:24 PM
From my experience, Promags are 100% junk. Get youself some quality USGI mags or some Magpul PMags and report back.

rero360
05-20-2012, 12:25 PM
From my experience, Promags are 100% junk. Get youself some quality USGI mags or some Magpul PMags and report back.

What he said

pTa
05-20-2012, 12:26 PM
AR?

knkali
05-20-2012, 12:30 PM
AR?

yes