Bravo's BCM RECCE 14 KMR-A Carbine features a government profile independently certified Mil-Spec 11595E steel barrel with a manganese phosphate finish, and a chrome lined bore and chamber. The receiver is constructed from 7075-T6 forged aluminum with a hard-coat anodized finish. 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 Mid Length Gas System BCMA(R) BOLT CARRIER GROUP Machined from MIL-SPEC Carpenter No. 158A(R) Steel HPT/MPI (High Pressure Tested/Proof) A (Magnetic Particle Inspected) Shot Peened Tool Steel Extractor w/ BCMA(R) 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 BCMA(R) 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 BCMA(R) Milspec 7075-T6 Receiver Extension Staked M4 Lock Nut USGI H Buffer (1 USGI Tungsten, 2 Steel) BCMA(R) BARREL Independently Certified MIL-SPEC 11595E Barrel Steel, Manganese Phosphate Barrel Finish on Entire Barrel 14.5" (16"+ w/ welded comp) 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 Included BCM Gunfighter Upgrades KMR Alpha Handguard Charging Handle Compensator Buttstock Pistol Grip QD End Plate PNT Trigger Trigger Guard