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Posted: 7/17/2003 7:15:02 PM EDT
I finally got a good chance to go shooting, and several times, after I shot the second to last round in a mag, the bolt would lock back, and the last round would just be loose above the magazine. It seems to not always happen, and with any of my mags. In about 250 rounds, it happened about 5 times. Any advice would be appreciated.
Link Posted: 7/17/2003 10:32:53 PM EDT
If your using USGI mags, then it may be that the mags need to be cleaned. Fouling may be binding the follower on the last round. If that does not help, then it's time for a new spring in the problem mag, and possible a mag tweak. If your using clone mags, then all bets are off. The feed lips metal are thin and tends to flair open causing a multitude of feed problems.
Link Posted: 7/17/2003 11:20:42 PM EDT
Furner, Number your mags, go shooting again, keep track of which mags give you the trouble. If there is no pattern then your rifle may be overfunctioning. I saw this once with a carbine using a cut down rifle buffer and rifle spring.
Link Posted: 7/18/2003 4:47:16 AM EDT
Put one round in the mag and bend the lip to conform to it's shape. Put a 2nd round in and bend the other lip. Shouldn't take much.
Link Posted: 7/18/2003 7:22:58 PM EDT
Also replace the magazine follower for the green type, the tend to avoid this type of 'jams'
Link Posted: 7/20/2003 3:49:52 AM EDT
I developed the same problem on 20Rd Colt mags.They used to be fine. The only change is new 20rd springs....
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