Description
BUILDER'S GRADE COMPLETE 10.5" 300 BLK UPPER RECEIVER | A2 | 9" M-LOK | WITH BOLT CARRIER GROUP AND CHARGING HANDLE
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:
Length - 10.5"
Material - 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
Finish - QPQ Corrosion Resistant
11-Degree Target Crown - Further improve accuracy
Gas System Length
Profile - Medium
Gas Block Journal - .750" Gas Block Journal
Twist Rate - 1/7 Twist
Muzzle - 5/8x24 Threaded Muzzle
Weight - 21oz
Other Info - QPQ coated M4 Feed Ramp Extension
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 6000 Series 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
Please Note: Uppers may present light fouling from our quality control process and/or test firing
SKU: BG1053009A2-BLK
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