Store:  Obsidian Arms
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SKU: AR-15-BCPK Category:



  • Made from4340 alloy steel for strength.
  • Heat treated for durability.
  • Hard Chromed for additional durability, corrosion resistance, and minimal surface friction.


  • Enhanced Firing Pin
  • Enhanced Cam Pin
  • Standard Retainer Pin

Additional information

Weight 5 oz
Dimensions 9 × 4.5 × 2.5 in


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costs are nonrefundable.

Cancellation / Return / Exchange Policy

Unused items may be returned within 30 calendar days from the date you received it.
To be eligible for a return, your item must be unused and in the same condition that you received it.
Your item must also be in it's original packaging. Because the Alliance Store is a Marketplace Platform available Alliance Corporate Members, please be aware of the seller's individual refund policies as it may be different. 

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