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PMA 5.56 Bolt Carrier Group - Nitride
PMA 5.56 Bolt Carrier Group - Nitride

Our Price: $89.99

Product Code: PMA556TCBCG

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Our Bolt Carrier Groups are manufactured for us by Tool Craft Inc. Their Bolt Carrier groups set the standard for the rest of the industry. Widely recognized as subject matter experts in the manufacturing of these parts, you will never 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 Steel
  • Milspec chrome coated firing pin
  • Nitride finsh

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