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  4. United Defense AR-15 5.56/.223 Complete Bolt Carrier Group

United Defense AR-15 5.56/.223 Complete Bolt Carrier Group

On sale: $199.99 $54.49
MSRP:$199.99
You Save:$145.50(73%)
Part Number: BCG-21134
Availability: In Stock.

United Defense AR-15 5.56/.223 

Complete Bolt Carrier Group


Limited Time Special Offer


The Bolt Carrier Group (BCG) is the heart of your AR-15. This United Defense BCG is made of 9310 steel then Nitride finished at the world class facility H&M then MPI and HPT inspected for extreme safety to ensure your AR-15 will run reliably as long as you have ammo to shoot it with. This is one of the highest quality BCGs made.



 SPECIFICATIONS:

 Durability

 Lubricity

 Corrosive Resistance

 Carbon Resistance

 Extreme Metal hardness 85-90 Rockwell

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