BCM CQB 11 MCMR (SBR) (ALL NFA RULES APPLY).
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
Carbine Gas System
BCM® BOLT CARRIER GROUP
Machined from MIL-SPEC Carpenter No. 158® Steel
HPT/MPI (High Pressure Tested/Proof) · (Magnetic Particle Inspected)
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
BCM® Milspec 7075-T6 Receiver Extension
Staked M4 Lock Nut
USGI H Buffer (1 USGI Tungsten, 2 Steel)
Independently Certified MIL-SPEC 11595E Barrel Steel, Manganese Phosphate Barrel Finish on Entire Barrel
11.5" Standard Government Profile Barrel 1/7 Twist, M4 Feed Ramp Extension
USGI 5.56mm NATO Chrome Lined Bore and Chamber
HPT/MPI(High Pressure Test) (Magnetic Particle Inspected), per MIL-SPEC.
When ordering, put your FFL/SOT's info into the SHIP TO section of the cart and then have your dealer e-mail us a copy of their license.