Enhanced AR-15 Bolt Carrier Pin Kit
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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
- - Enhanced Cam Pin
- - Standard Retainer pin
- 4140 Alloy Steel
- Hard Chromed for corrosion resistance, minimal surface friction and additional durability
- Heat treated for durability
- USA Made