AR-15 5.56mm NATO Bolt Carrier Group - Full Auto Profile



Get a solid piece of work to use as the guts of your AR-15 with this bolt carrier group.  It works with .223, 5.56mm, and .300BLK calibers. Made of mil-spec Carpenter 158 steel, this BCG is high-pressure tested (HP) , and magnetic particle inspected (MPI). 

The gas key is chrome-lined inside and phosphate-coated outside for smooth action and resistance to wear.

Steel: Carpenter No. 158 steel bolt

Profile: Full Auto

Carrier: Chrome Lined inside, Phosphated Outside

Gas Key: Chrome Lined, Phosphated Outside

Gas Key: Hardened to USGI Specifications

Gas Key: Mil-spec Staked

Extractor: Tool Steel Extractor and Extractor Spring

Please Note: Bolt Carrier Group will be packaged dry, lubricate BCG before use.

No FFL required  Made in the USA  Lifetime Warranty

Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily only ships within the United States. Federal legislation dictates we cannot ship our products internationally.