Description
This 10.5 inch M-LOK upper receiver comes with our RTB 12 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 making the action smooth and easy to keep clean.
SBarrel pecifications:
– Caliber 300BLK
– Length 10.5"
– Material 4150 Chrome Moly Vanadium
– Profile Medium
– Finish QPQ Corrosion Resistant
– Gas System Length Pistol
– Gas Block Journal .750"
– Dimpled? No
– Twist Rate 1:7
– Muzzle Thread 5/8x24 TPI
– Weight 20.8oz
– Barrel Extension M4 Feed Ramps
– Target Crown 11 Degree
Upper Receiver:
– Machined from a Mil-Spec 7075 T6 forging Hard Coat Anodized per Mil-A-8625F, Type III
– M4 Feed ramps
– Made in the U.S.A.
Handguard:
– MATERIAL: HARD COAT ANODIZED/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"
Please Note: Uppers may present light fouling from our quality control process and/or test firing
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