Description
This Complete 6 inch M-LOK upper receiver comes with a 5.5 inch free float handguard that has a slant cut design 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:
– Caliber 300BLK
– Length 6"
– Material 4150 Chrome Moly Vanadium
– Profile Medium
– Finish QPQ Corrosion Resistant
– Gas System Length Pistol
– Gas Block Journal .750"
– Dimpled? Yes
– Twist Rate 1:7
– Muzzle Thread 5/8x24 TPI
– Weight 14oz
– Barrel Extension M4 Feed Ramps
– Target Crown 11 Degree
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 Hard Coat Anodized per Mil-A-8625F, Type III
– M4 Feed ramps
– Made in the U.S.A.
HANDGUARD:
– 5.5" free float handguard
– MIL-STD 1913 Picatinny rail on top
– 2 M-Lok slots on 3 sides
– Precision Machined aircraft grade aluminum, for high strength and weight savings
– Hard Coat Anodized per Mil-A-8625F, Type III, Class 2
– Clamp on system for easy assembly
– Steel Barrel nut to resist movement under heat
– 8.8 oz with barrel nut and hardware
– 1.35" Inside Diameter
– 1.65" Wide
– Made in USA
CHARGING HANDLE:
– Alloy Charging Handle Assembly
– Complete with Standard Latch
– Made from hardcoat anodized aluminum
– Black finish
MPN: BG630055SA2-BLK
