AR-15 Complete Upper Assembly – 10.5″ / 300 AAC / 1:7 / 10″ CBC Arms M-LOK / BCG / AMBI CH


Out of stock

This AR-15 upper assembly is a  10″ M-LOK Rail and Mil-Spec Bolt Carrier Group and Charging Handle. In addition, this assembly is made from the highest quality parts and is assembled in Charleston, South Carolina.

SKU: ar-15-complete-upper-assembly-10-5-300-aac-18-10-cbc-arms-m-lok-bcg-ambi-ch Categories: ,


  • 7075-T6 Aluminum
  • Mil-Spec Anodized Receiver
  • Pistol Length Gas Tube Assembly
  • 10.5″ 300 AAC Barrel
  • 4150 Chrome Molly Steel Nitride Coated Barrel
  • Standard A2 Flash Hider
  • Twist Rate: 1:7
  • 10″ CBC Arms M-LOK Handguard/Rail Mil-Spec Bolt Carrier Group
    • Material: Case Hardened 8620 Steel
    • Finish: Black Nitride. This advanced low friction coating minimizes the need for lubricants.
    • Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked into a milled “valley” to ensure proper positioning.
    • Cam Pin: Hardened 4340 cam pin
    • Firing Pin: Mil-Spec firing pin made of 8740 steel, center-less ground and Hard Chrome-coated
    • Bolt Assembly: The Bolt is “true” Mil-Spec dimension and external surfaces are CNC ground after heat treatment for a precision fit.
    • Material: Case Hardened 9310 Steel.
    • Finish: All Bolt components Shot Peened and Manganese Phosphate or Black Nitride Extractor: 4340 Steel, Manganese Phosphate coated o Mil-Spec Extractor Spring & O-Ring Combination
    • MPI: Magnetic Particle Inspected
    • HPT: High-Pressure Test

    Made in USA +Carrier fits AR15/M4 compatible style Rifles (i.e.) .223/5.56mm, .300Blkout


    Charging Handle /w latch.

    • Milspec Aircraft Aluminum
    • Solid Steel Latch


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