PMA 5.56 Bolt Carrier Group - Nitride

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SKU:BCG-556-NIT-931 ,UPC:

Info

SKU:
BCG-556-NIT-931
UPC:
716715554225

Description

PMA 5.56 Bolt Carrier Group - Nitride

BCG-556-NIT-931

The PMA Bolt Carrier Group is a sturdy, nitrided BCG that will go as long as you can.  We pride ourselves on gauging and inspecting each one. You simply cannot go wrong with choosing one.

The Gas key is secured to the carrier with Grade 8 fasteners and properly staked per Mil-Specs. This insures a strong staking and proper gas system functioning. The bolt assembly is CNC machined from 9310 steel and shot peened for increased strength per Mil-Spec; includes tool steel extractor with spring and viton O-ring; firing pin chromed finished with firing pin retaining pin and cam pin.

HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected).

 

  • Bolt Carriers made from 8620 Steel
  • Keys made from 4130 Steel
  • Bolts available in 9310
  • Milspec chrome coated firing pin
  • Nitride finsh

 

Don't waste your time with questionable manufacturers, just do it right the first time! Get yours today!

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