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Canadian National Arms CNA Bolt Carrier Group (5.56) (Phosphate)

  • 19497


CNA's M16 cut extreme duty-ready complete bolt and carrier assembly with firing pin. Canadian National Arms gas key screws are torqued to 60 inch pounds then machine staked in place. A Permatex 3D aviation gasket seal is under the gas key near the gas hole to ensure all the gas goes where it's supposed to go today, tomorrow and from now on. This thing is serious about performance for the long haul.

  • 5.56 Bolt
  • Bolt carrier has the M16 cut
  • Ready to drop in and go
  • Made by a military contractor to mil specs
  • Magnesium Phosphate finish
  • 8620 steel carrier
  • 9310 steel bolt

You get:

  1. Assembled bolt carrier group (BCG), ready to drop in

Compatible with all AR-15/M16 upper variants that use a 223/5.56 case base:

  • .17 Remington
  • .17/223
  • .20 Tactical
  • .20 Practical
  • .20 Vartag
  • .204 Ruger
  • .221 Fireball
  • .222 Remington
  • .222 Remington Magnum
  • .223 Remington (5.56x45mm)
  • .223 Remington Ackley Improved
  • 6x45mm
  • 6mm TCU
  • 6x47mm
  • 6mm Whisper
  • .25x45mm
  • 6.5mm Whisper
  • 7mm Whisper
  • 7mm TCU
  • .300 Whisper (.300/221, .300 Fireball)
  • .338 Whisper
  • et al

Installation Difficulty: 

Complete unit drops right in to your AR upper.


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