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BCM® MK12 Mod 0.
BCM® MK12 Mod 0 Specification.
Complete BCM® Rifles and Carbines include: Rifle, 1 Magazine (where allowed), Cable Lock, USGI Manual, and F.E.T.
BCM MK12 Mod 0. BCM Upgrades. Mod 4 Charging Handle. Mod 3 Pistol Grip 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

Rifle Length Gas System

PRI Gen III 12" Carbon Fiber Handguard (Black)

PRI Folding Front Sight Base

Receivers Machined from Aluminum Forgings 7075-T6

Receivers Hardcoat Anodize per MIL-A-8625F, Type III, Class 2

T-Marked Upper Receiver

M4 Feed Ramp Flat Top Receiver

BCM® BOLT CARRIER GROUP
Machined 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

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

Un-notched Hammer Compatible with 9mm Use

Fire Controls Marked SAFE and SEMI

BCM® Milspec 7075-T6 Receiver Extension

A2 Fixed Stock

BCM® BARREL
410 Stainless Steel

18" MK12 Profile Barrel

1/8 Twist Rate

IonBond Black Coating

Button Rifled

Hand Lapped Bore

Hand Lapped Chamber

M4 Feed Ramp Barrel Extension

5.56 NATO Chamber