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6/29/2008 12:48:42 PM EDT
  I just about finished a new rifle build, it at least enough to break in my barrel. Any way here is the problem. oh... I also bought some new c-prod. 20rn. mags and brought one to the range with me not planning to do a lot of shooting. I inserted a mag pulled the charging handle back and release it the bolt was retained by the bolt stop. I than released the bolt. Than I inserted a full mag and pulled back the charging handle and the bolt stop would not engage. I could make it catch the bolt if I did it by hand so that is what I did. than released it the bolt  loaded a round I fired it, the bolt than was not picking up another round on it's forward movement what is going on? I need your help is it the mags? bolt stop? Thanks for any input.
6/29/2008 2:45:11 PM EDT
[#1]
The mag follower will only raise the bolt stop when the mag is empty, hence the device is a last round hold open device.

Down load the mag a few rounds and see if it's still a problem.  Could be that the mag needs to loosen up a bit (spring, follower mate to the inside of the body, and the bottom of the feed lips debur through live fire.
6/29/2008 2:54:00 PM EDT
[#2]
thank you for your imput... what about the bolt not picking up another round after the bolt cycles
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