BG Complete 10.5" 5.56 Upper Receiver Black A2 9" M-LOK With BCG & CH - $195.96 after Code: BUILDUP20

Description

This Complete 10.5 inch M-LOK upper receiver comes with a 9 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 Specifications:

– Caliber 5.56
– Length 10.5"
– Material 4150 Chrome Moly Vanadium
– Profile Government
– Finish QPQ Corrosion Resistant
– Gas System Length Carbine
– Gas Block Journal .750"
– Dimpled No
– Twist Rate 1:7
– Muzzle Thread 1/2x28 TPI
– Weight 18.4oz
– 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:

– 9" free float handguard
– MIL-STD 1913 Picatinny rail on top
– 3 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
– 10 oz with barrel nut and hardware
– 1.35" Inside Diameter
– 1.63" Wide
– Made in USA

Charging Handle:

– Alloy Charging Handle Assembly
– Complete with Standard Latch
– Made from hardcoat anodized aluminum
– Black finish