If you're looking for the "guts" to go inside the upper receiver you just bought or built, we have a super affordable yet robust and well-performing option for you. This BCG will accept .223, 5.56mm NATO, and .300 AAC blackout rounds. See below for the ins and outs.
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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