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FailZero Bolt Spare Parts Kit

Replacement Parts Kit for FailZero 5.56 Bolts

Mil-spec, high quality replacement parts for 5.56 bolts.


Parts included:

  • Extractor (EXO Coated)
  • Extractor pin
  • Extractor spring
  • Extractor spring insert
  • Extractor spring O ring
  • Bolt Gas rings (3)





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RT @PrimaryArms: 6 lbs. overall weight. 3.5 lb. match trigger. .223 Wylde barrel. Ambi Charging handle and enhanced furniture. DM to find o…

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