NBS Bolt Carriers Gun Parts
(2 deals total)

  • Bolt Carriers
  • NBS

Filter NBS Bolt Carriers Gun Parts

2 months ago
Description The NBS AR-15 5.56/.223 Left-Handed BCG is the perfect starting point for our wrong-handed friends. This BCG has one of the best black nitride finishes we have seen, and comes in a mil-spec design with a lifetime warranty. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. It is shot-peened and magnetic particle inspected. Included: - Bolt w/ D2 Extractor - Bolt Carrier w/ staked Gas Key - Cam Pin - Firing Pin - Firing Pin Retaining Pin Technical Specs:  - Gas system: Direct Impingement
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6 months ago
Technical Specs: • Gas system: Direct Impingement • Caliber: 5.56x45mm NATO/.223 Rem, .300 Blackout • Finish: Salt Black Nitride • Bolt: 9310 Alloy Steel (High Hardness) • Carrier: 8620 Aircraft Grade Steel • Extractor: Shot Peened and Case Hardened D2 Tool Steel • Firing Pin: Mil-spec 8740 steel with hard chrome finish • Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed • Cam Pin: 8620 Steel w/ Black Nitride Finish • Quality Control: MPI Inspected for QC ADDITIONAL INFORMATION WEIGHT 0.0000 oz BOLT FINISH
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