BCM CQB12 KMR-A 300 Blackout Carbine-12

In stock

BCM CQB12 KMR-A 300 Blackout Carbine-12


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 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
Finish No
Barrel Length No
Caliber 300AAC
Configuration No
Option No
Gas Length Carbine
Height No
Rail Length 10"
Mount No
Profile No
Reticle No
Co Witness No
Size No
Item Category (only for Taxify) No