BG Complete 7.5" 5.56 Upper Receiver - Black | A2 | 7" Slant Cut M-LOK | With BCG & CH

BUILDER'S GRADE COMPLETE 7.5" 5.56 UPPER RECEIVER | A2 | 7" SLANT CUT M-LOK | WITH BOLT CARRIER GROUP AND CHARGING HANDLE

This Complete 7.5 inch M-LOK upper receiver comes with a 7 inch free float slant cut 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- 7.5
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- 1/2x28 TPI
Weight- 16.8oz
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:

• 7" 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
• 8.9 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