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BCM 300 Blackout CQB9 KMR-A.
BCM 300 Blackout CQB9 KMR-A Specification.
Complete BCM® Rifles and Carbines include: Rifle, 1 Magazine (where allowed), Cable Lock, USGI Manual, and F.E.T.
BCM 300 Blackout CQB9 KMR-A. BCM Upgrades. BCM KMR-A Handguard. BCMGUNFIGHTER Charging Handle. BCMGUNFIGHTER 7.62 Compensator. Gunfighter Stock. BCMGUNFIGHTER Pistol Grip QD End Plate. PNT Trigger. Trigger Guard.
UPPER RECEIVER
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® BOLT CARRIER GROUP
Machined from MIL-SPEC Carpenter No. 158® Steel

HPT/MPI (High Pressure Tested/Proof) · (Magnetic Particle Inspected)

Shot Peened

Tool Steel Extractor w/ BCM® Extractor Spring

Black Extractor Insert

Chrome Lined Carrier (Full Auto Profile)

Chrome Lined Gas Key Hardened to USGI Specifications, w/ Staked Grade 8 Fasteners per MIL-SPEC

BCM® LOWER RECEIVER
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

Low Shelf for Accuwedge use

Fire Controls Marked SAFE and SEMI

Staked M4 Lock Nut

USGI H Buffer (1 USGI Tungsten, 2 Steel)

BCM® BARREL
Independently Certified MIL-SPEC 11595E Barrel Steel, Manganese Phosphate Barrel Finish on Entire Barrel

9" BCM® Enhanced Profile Barrel 1/7 Twist, M4 Feed Ramp Extension

Chrome Lined Bore and Chamber