SIONICS Bolt Carrier Assembly - NP3 Coated
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Our M16 profile Bolt Carriers are machined to USGI specifications. Our M16/M4 carriers include proper Mil-Spec gas keys. The Gas Key is secured to the carrier via USGI domestic manufactured Grade 8 fasteners and properly staked per Military Specifications. These properly hardened parts insure a strong staking and proper gas system functioning.
Each carrier assembly is treated with a durable NP3 (Nickel/PTFE plating) which creates a permanently lubricious surface which eliminates the need for grease, oil or any wet lubrication.