Sionics Weapon Systems M16 5.56 Bolt Carrier Group - Phosphate

The Sionics Weapon Systems Phosphate Coated AR-15 Bolt Carrier Group features an M16 profile and is built for duty use. The bolt itself is machined from Carpenter 158 tool steel, is high pressure tested, magnetic particle inspected, and shot peened. Additionally, each bolt features a Sprinco 5-coil heavy duty extractor spring with black insert to ensure long term reliability. The gas key is heat treated per GI specifications and is secured with properly staked grade 8 screws. Features: M16 profile Phosphate coated Carpenter 158 bolt Sprinco heavy duty extractor spring Black insert High pressure tested Magnetic particle inspected Shot peened bolt face Staked gas key A SIONICS Weapon System is a firearm that is more than just built from the ground up by master gunsmiths for professionals in the field. They're more than just an assembly of quality components. Every firearm built by SIONICS has been carefully crafted from the best components available by a single master gunsmith before a second master gunsmith puts it through a 19-point quality inspection and test firing process to ensure that ever SIONICS firearm has been built without compromise.