Impact 737R Short Action Firing Pin

737 Short Action Firing Pin for Impact Precision short action bolts   

  • Mag bolts always use a .068
  • .223, ARC and .308 have been sold with both a .060 and .068 so if you aren't sure you will need to measure the aperture in your bolt to know what size you will need.
  • Pins are available in both .060 and .068 diameter    

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