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boltgap

  1. HK LONG GUN TALK
    Edited 2/13/14I changed out the locking piece and put a heavier spring in. The bolt gap is now .009 and if you put a little effort .010 fits. The rollers that are in it now are .313 so what size do I need to get to proper bolt gap. The length of the bolt size is 1.839 Edited 2/13/14 My cetme...
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