This Complete 16 inch M-LOK upper receiver comes with our RTB 15 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.

Barrel:

16" 5.56 4150 CMV Barrel - Black Nitride
M4 Carbine Profile - .750" GB Journal
1:7 Twist Rate - 1/2x28 Muzzle Thread

Bolt Carrier Group:

Enhanced 9310 Steel (Bolt)
8620 Tool Steel (Carrier)
Bolt is shot Peened and MPI
All BCG components are pre-polished before being processed and then post polished for an incredible shine

Upper Receiver:

Machined from a Mil-Spec 7075 T6 forging
M4 Feed ramps
Cerakoted in Flat Dark Earth
Made in the U.S.A.

Handguard:

MATERIAL: HARD COAT CERAKOTED ALUMINUM HANDGUARD, ALUMINUM BARREL NUT
PRECISION BORE
ACCEPTS M-LOK RAIL SECTIONS & ACCESSORIES
7075-T6 BARREL NUT
RAIL LENGTH IS MEASURED ALONG THE TOP
INNER DIAMETER: 1.36"

Charging Handle:

Tried and True Standard Charging Handle
Forged 7075 Aluminum construction
Mil-Spec Type-III Hardcoat Anodized finish
Caliber - .223 / 5.56 / 300 Blackout
Made in the USA
Please Note: Every upper is test fired during our quality control process and may present light fouling