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.
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