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BCM CQB12 KMR-A 300 Blackout Carbine-12

In stock

BCM CQB12  KMR-A 300 Blackout Carbine-12

Special Price $1,199.92 Regular Price $1,380.00
Part Number: 523-790
Approximate Weight: 5.7lbs
Collapsed Length: 29"
Extended Lenght: 32"

  • Receiver Machined from Aluminum Forgings 7075-T6 and Hardcoat Anodized per MIL-A-8625F, Type III, Class 2
  • M4 Feed Ramp Flat Top with Laser T-markings
  • Pistol Length Gas System
  • BCM® KMR Alpha-10 Handguard
  • BCM® BOLT CARRIER GROUPMachined from Milspec Carpenter No. 158® Steel
  • HPT/MPI (High Pressure Tested/Proof) · (Magnetic Particle Inspected)
  • Shot Peened
  • Tool Steel Extractor w/ BCM® Extractor Spring
  • Chrome Lined Carrier (Full Auto Profile)
  • Hardened, Chrome Lined Gas Key w/Staked Grade 8 Fasteners per Milspec


  • Receiver Machined from Aluminum Forgings 7075-T6, Hardcoat Anodized (per MIL-A-8625F, Type III, Class 2)
  • Low Shelf for RDIAS Installation - Installation of a registered drop-in auto sear allows weapon to fire on full automatic
  • Fire Controls Marked SAFE and SEMI
  • BCM® Milspec 7075-T6 Receiver Extension
  • Staked M4 Lock Nut
  • USGI H Buffer (1 USGI Tungsten, 2 Steel)
  • BCM® BARRELIndependently Certified Milspec 11595E Barrel Steel, Manganese Phosphate Barrel Finish on Entire Barrel
  • 12.5" BCM® Enhanced Profile Barrel 1/7 Twist, M4 Feed Ramp Extension
  • Chrome Lined Bore and Chamber

 BCMGUNFIGHTER™ Included Upgrades:

  • BCM Mod 0 Buttstock
  • BCM Mod 4 Charging Handle
  • BCM Mod 1 7.62 Compensator
  • BCM Mod 3 Pistol Grip
  • BCM QD End Plate
  • BCM PNT™ Trigger
  • BCM Trigger Guard

Complete BCM® Rifles and Carbines include: Rifle, 1 Magazine (where allowed), Cable Lock, USGI Manual, and F.E.T. 

FFL and SOT Required Before Shipping.

Please have your dealer email their license to [email protected] or they can also fax it in. Please give us a few days to process the information.

More Information
SKU Rifle:523-790
Manufacturer Bravo Company MFG