Rogue MSPEC Bolt Carrier Group / NATO 556

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Rogue MSPEC Bolt Carrier Group / NATO 556

Rogue Firearms has produced hundreds of thousands of precision Bolt Carrier Groups (BCGs) for the AR-15 and AR-10 Modern Sporting Rifles (MSR). The BCG is crucial to the proper function of the MSR and is often considered the heart of the firearm. Everything from the metallurgy, weight and finish can have a serious impact on accuracy, reliability and durability.

Rogue Firearms BCGs are machined and finished following the highest quality standards, that we’ve implemented in the RDG facility.

Our BCGs are produced using the most precise milling and turning tools and equipment in the industry to instill customer confidence in the quality of the finished firearm.  Rogue Firearms currently manufactures BCGs for over 75 respected firearms Original Equipment Manufacturers (OEMs), ensuring extremely accurate, reliable and dependable operation when needed most. Rogue Firearms BCGs have endured hundreds of thousands of rounds in testing and field conditions and performed safely, accurately and reliably.

  • Lugs are machined with the proper radius as per true mil-spec tolerances. Independent HP white proof testing exceeded over 90,000 PSI without failure.
  • Outer diameter machined to all critical surfaces within +/- .0005 inches.
  • Rounded cam pin rides in a fully chamfered cam path.
  • Gas key with rounded leading edges ensures positive functioning in all makes and grades of uppers and buffer tube combinations.
  • Properly staked and torqued grade 8 hex screws as per the true mil-spec.
  • Carrier body OD and ID are hard turned after heat treat to +/- .0005 inches.
  • Multiple commercial finishes and coatings are available, engineered to their unique tolerances.

Rogue MSpec Bolt Carrier Group Features

High Pressure Tested (HPT)
Magnetic Particle Inspected (MPI)
Heat treated and shot peened
Bolt carrier machined 8620 steel
Carpenter 158 steel bolt
Chrome lined interior bolt carrier key and bolt carrier
Torqued and staked gas key screws
Coated with a matte black mil-spec finish

What Goes Into A Bolt Carrier Group?

Additional Details

2.00 (in)
2.00 (in)
7.00 (in)

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