Sionics Weapon Systems AR-15 Bolt Carrier Group - NP3
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Sionics Weapon Systems AR-15 Bolt Carrier Group - NP3

$219.95
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The SIONICS NP3 Coated Bolt Carrier Group is a M16 style carrier machined to USGI (United States Government Issue) specifications. It includes a properly sized Mil-Spec gas key that is NP3 coated and heat treated. The gas key is secured to the carrier with OCKS (Optimized Carrier Key Screws) and properly staked to prevent it from backing out. Each carrier includes a hand-installed gasket formed by aviation Permatex to the mating surfaces between the gas key and the carrier. This helps to decrease the risk of under gassing.SIONICS bolts are manufactured from Carpenter 158® steel. Each bolt is HP/MPI (High Pressure / Magnetic Particle) tested and inspected. These shot peened bolts come equipped with a Sprinco Heavy Duty Extractor Spring and Black Spring Insert. In addition to the carrier, the bolt and cam pin have also been NP3 treated to enhance corrosion resistance and carbon buildup.Here are some of the key features of the SIONICS M16 style carrier: Machined to USGI specifications NP

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