Bolt carrier group with DLC exterior coating specification, and a chrome lined bore. Machined to USGI specifications and made out of Aircraft grade 8620 Steel. This M16/M4 carrier includes mil-spec gas key, which is chrome lined and heat treated.
Specifications
| Features | DLC Exterior Coat for Wear Resistance; Mil-Spec Bolt Assembly made of 158 Steel; Fits M16/M4/AR-15 Style Receivers |
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