AR-15 .224 Valkyrie 20" Diamond Fluted Stainless Steel Upper Assembly – M-LOK, Match Grade 416R

.224 Valkyrie Upper: Specs & Features

The Moriarti Armaments AR-15 .224 Valkyrie 20" Diamond Fluted Stainless Steel Upper Assembly is a precision-crafted upper designed to give your AR-15 build unmatched accuracy and performance. Featuring a MATCH GRADE 416R Stainless Steel Barrel, this upper assembly is engineered to deliver exceptional shot consistency, ideal for long-range shooting and precision rifle applications.

With a fluted barrel for reduced weight and enhanced cooling, a low-profile steel .750 gas block with a nitride finish, and a stainless steel gas tube, this upper is built to withstand rigorous use and ensure smooth cycling and performance. The assembly is finished off with a 15" rifle-length Mlok free float handguard for flexibility in mounting accessories and an A2 flash hider to reduce muzzle flash.

Key Features:

• Match Grade Barrel: 20" .224 Valkyrie chambered barrel crafted from 416R stainless steel, offering a 1:7 twist rate and superior precision with each shot.
• Diamond Fluting: The barrel is diamond fluted to reduce weight, enhance cooling, and improve overall barrel performance.
• Rifle-Length Gas System: Features a rifle-length gas system with a low-profile .750 gas block and a stainless steel gas tube for smooth, reliable operation.
• Handguard: A 15" free-floating Mlok rail offers robust mounting options for accessories such as bipods, lights, and grips.
• M4 Feed Ramps: Ensure reliable feeding for smooth cycling and reliable performance under all conditions.
• A2 Flash Hider: Reduces muzzle flash for a more controlled shooting experience.
• Upper Receiver: Made from 7075-T6 aluminum and black anodized to government specifications for durability and corrosion resistance.
• Weight: Approximately 4.9 lbs, making it a solid yet lightweight option for your custom AR-15 build.

Specifications:

• Barrel Length: 20"
• Chamber: .224 Valkyrie
• Twist Rate: 1:7
• Barrel Material: 416R Heat Treated Stainless Steel
• Gas System: Rifle-Length
• Gas Block: .750 Low Profile Steel
• Handguard: 15" Free-Floating Mlok Rail
• Muzzle Thread: 1/2x28 for Muzzle Device Compatibility
• Upper Receiver: A3 Flat Top, Made from 7075-T6 Aluminum
• Finish: Black Hardcoat Anodized
• Additional Features: Forward Assist, Dust Cover, M4 Feed Ramps

Why Choose This Upper Assembly?

This AR-15 .224 Valkyrie 20" Upper Assembly is a top choice for precision shooting, whether you're a long-range enthusiast or a competitive shooter. The match-grade barrel, diamond fluting, and free-float Mlok handguard all work in harmony to provide you with a well-rounded, high-performance upper. Plus, the rifle-length gas system and M4 feed ramps ensure smooth operation and accuracy, making this upper perfect for your .224 Valkyrie build.

FAQ

Will this upper fit my AR-15 lower?

Yes. It fits a standard mil-spec AR-15 lower receiver.

What bolt and magazines do I need?

A 6.8 SPC-type bolt carrier group and 6.8 SPC / .224 Valkyrie magazines. A standard 5.56 bolt will not work.

What twist rate does it use?

A 1:7 twist, for the long, heavy bullets .224 Valkyrie is known for.

Related: .224 Valkyrie uppers · all AR-15 upper assemblies

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