CMC Triggers has recently announced their support for the 6MM ARC round with their new suppressor optimized enhanced bolt carrier group for the AR-15 pattern.

CMC Triggers states “The CMC Triggers Suppressor Optimized Enhanced Bolt Carrier Group for the New Hornady 6mm ARC is designed for shooters who demand superior performance weapon components in the heart of their firearm.

CMC Triggers manufactures the highest quality firearms components in the industry.”

KEY FEATURES:

Carrier Assembly:

– Case-hardened 8620 steel (complete care is taken during the heat treat process, so as to not harm the metal).
– 3 forward ports, enlarged to allow overpressure to escape.
Optimized for suppressor use.
– Black Nitride Finish.
– 4130 Steel, attached with Grade 8 hardware, torqued and properly staked into a milled “valley” around a fully encased ejection port area, for added strength and rigidity.
– Hardened 4340 cam pin.
– Fully chamfered cam pin channel.
– Mil-Spec firing pin made of AISI 8740 steel, center-less ground and Hard Chrome coated.
Bolt Assembly:

– 9310 Case Hardened Steel.
– All Bolt components Shot Peened & Black Nitride coated.
– 4340 Steel, Manganese Phosphate coated.
– Magnetic Particle Inspected (MPI) and High Pressure Tested (HPT).
– Black Nitride low friction coating.
– Mil-Spec Billet Extractor Spring & CRANE O-Ring Upgrade.
– 6mm ARC Advanced Rifle Cartridge from Hornady Bolt. 6ARC Specific.
BLACK NITRIDE:

– Increased wear resistance
– Improved fatigue strength
– Exceptional lubricity and low friction coefficient.
– Withstand corrosion per ASTM spec B117
– Improved lubricity
– Enhanced cosmetic appeal
– Better corrosion protection at an equivalent or lower costs than hard chrome-nickel plating

To learn more about CMC Triggers and their AR-15 6mm ARC BCG. CLICK HERE