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Posted: 6/24/2002 8:40:59 AM EDT
I took my m16 out this weekend and on almost every mag 2 or 3 times it would not extract the round and then try to feed a new one. When I took it apart to clean it the notches in the gas rings where within a 1/8 of a inch from each other. The bolt is a brand new bolt from bushmaster. Two weekends ago during the after shooting cleaning session I found a crack through the bolt on one side of the hole where the cam pin is inserted and the other side had a crack a quarter way through. The gun ran flawlessly that weekend. Any other things i should look for ? the upper is a 10.5 inch with a 5.5 inch flash hider ammo is Q3131a.
Link Posted: 6/24/2002 2:44:48 PM EDT
[Last Edit: 6/24/2002 2:46:10 PM EDT by 7]
Try a stronger extractor spring or get a "D-fender" Which is a d shaped piece of rubber which fits around the extractor spring.

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