Builder's Grade 16" 5.56 Upper, Black, A2, 12" M-LOK Slant Cut, NO BCG & CH - $155.96 after Code: BUILDUP20

Description

This Barreled 16 inch M-LOK upper receiver comes with a 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 M4 barrel.

Barrel:

– Specifications
– Caliber 5.56
– Length 16"
– Material 4150 Chrome Moly Vanadium
– Profile Carbine
– Finish QPQ Corrosion Resistant
– Gas System Length MidLength
– Gas Block Journal .750"
– Dimpled? No
– Twist Rate 1:7
– Muzzle Thread 1/2x28 TPI
– Weight 28oz
– Barrel Extension M4 Feed Ramps
– Target Crown 11 Degree

Upper Receiver:

– Machined from a Mil-Spec 7075 T6 forging
– M4 Feed ramps
– Black Anodized
– Made in the U.S.A.

Handguard:

– 12" free-float handguard
– Slant Cut
– Black Anodized
– MIL-STD 1913 Picatinny rail on top
– M-Lok slots on 3 sides
– Precision Machined 6000 Series aluminum, for high strength and weight savings
– Clamp-on system for easy assembly
– Steel Barrel nut to resist movement under heat
– Made in the USA