Enhanced AR-15 Bolt Carrier Pin Kit

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This kit includes an Obsidian Arms enhanced firing pin, retainer pin and cam pin for the best performance and reliability in an AR-15 bolt carrier.

Product Description

Manfactured of 4140 alloy steel heat treated for strength. It also is hard-chromed for addition durability, resistance to corrosion, and very little surface friction.

The set includes:

  • Enhanced Firing Pin, Hard Chromed
  • Enhanced Cam Pin, Hard Chromed
  • Retainer Pin, Nickel Plated


  • Made in USA
  • Made from 4340 alloy steel for strength.
  • Heat treated for durability.
  • Hard Chromed for additional durability, corrosion resistance, and minimal surface friction.

Obsidian Arms
14.4 oz
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