BCMGUNFIGHTER™ Included Upgrades:

BCM MCMR-10 Free Float Handguard

BCM MCMR QD Sling Swivel Mount

BCMGUNFIGHTER Charging Handle MOD 4B

BCM Mod 3 Compensator

BCM Mod 3 Pistol Grip

BCM QD End Plate

BCM PNT™ Trigger

BCM Trigger Guard 

M4 Feed Ramp Barrel Extension

M4 Feed Ramp Flat Top Receiver

T-Marked MK2 Upper Receivers

BCM Hammer Forged Barrel

Independently Certified Mil-Spec 11595E Barrel Steel

Chrome Lined Bore and Chamber

Manganese Phosphate Barrel Finish on entire barrel

Bolt machined from Mil-Spec Carpenter No. 158® steel

HPT Bolt (High Pressure Tested/ Proof)

MPI Bolt (Magnetic Particle Inspected)

Shot Peened Bolt

Chrome Lined Carrier (AUTO)

Chrome Lined Gas Key

Gas Key Hardened to USGI Specifications

Grade 8 Hardened Fasteners Key

Staked Per Mil-Spec

Tool Steel Extractor

Black Extractor Insert

Receivers Machined from Aluminum Forgings 7075-T6

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

Staked M4 Lock Nut

USGI H Buffer (1 USGI Tungsten, 2 Steel)

Low Shelf for RDIAS installation

Low Shelf for Accuwedge use

Fire Controls marked SAFE and SEMI