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bolt catch

  1. Problem with ar15: the bolt won't completely open when last round shooted

    M16 AR15
    Hello everyone I have a mysterious problem with my ar15: after 1000 shots without issues, now it fails to catch the bolt completely open after the last round is shooted. 1-If I hold pulled the bolt catch and i shoot the last round it works properly and the bolt stay open correctly. 2-The...
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