Moriarti AR-15 .338 ARC 10.5" Upper – M-LOK Rail A2 Flash Hider

.338 ARC Upper

Moriarti AR-15 .338 ARC 10.5" Upper Assembly | M-LOK | A2 Flash Hider

Experience the superior performance of the Moriarti AR-15 .338 ARC 10.5" Upper Assembly, built for precision, modularity, and reliability in compact AR-15 pistol platforms. Whether you're looking for a tactical upgrade or a hunting companion, this upper is engineered to deliver next-level ballistic performance in a compact design.

Key Features:

Barrel

• Length: 10.5"

• Chamber: .338 ARC

• Twist Rate: 1:5 (optimized for heavy grain bullets)

• Material: 4150 Chrome Moly Vanadium

• Finish: Nitride

• Thread Pitch: 5/8x24

• Profile: Government

• Muzzle Device: A2 Flash Hider – reduces flash and recoil for improved control and low-light shooting

Gas System

• Pistol-length gas system for reliable cycling

• Steel low-profile gas block

Upper Receiver

• A3 flat-top design

• 7075-T6 aluminum forged construction

• Black hardcoat anodized (mil-spec)

• Includes forward assist and dust cover

• Ideal platform for optics and accessories

Handguard

• 10" Super Slim Free Float M-LOK Rail

• Lightweight and ergonomic

• M-LOK slots for modular accessory attachment

• Free-float design enhances accuracy

Perfect Pairings

• Match it with our Moriarti AR-15 6.5 Grendel BCG

• Complete your build with Moriarti Custom Cerakote Builder Sets

Note: Bolt Carrier Group (BCG) and Charging Handle are not included but can be added separately.

Made in the USA by Moriarti Armaments – Precision meets innovation.

Images may not be an exact representation of the product.