AR-10 .308 20" Stainless Side Charging Upper – Nitride Muzzle Brake, M-LOK

20" .308 Side Charging Upper: Specs

The AR-10 .308 20" Stainless M-Lok Upper Assembly with Side Charging is the perfect solution for building a lightweight and reliable AR-10 rifle. Designed for performance, durability, and ease of customization, this upper assembly is DPMS Low Profile compatible and features a nitride steel X-Treme muzzle brake for superior recoil management and enhanced shooting experience. 

Key Features:

• Barrel:

  • 20" 416R Stainless Steel HBAR Barrel, hardened to 26-32 RC for durability and stress relief
  • Chambered in .308 Winchester, offering excellent performance and accuracy
  • 1:10 RH Twist and button rifled for consistent bullet stabilization
  • 5/8-24 Threaded Muzzle with Nitride Steel X-Treme Muzzle Brake to reduce recoil and improve muzzle control

• Upper Receiver:

  • AR-10 Side Charging Billet Upper Receiver made from solid 6000 Series Billet Aluminum for a lightweight yet strong construction
  • Black Hardcoat Anodized finish for increased durability and resistance to wear
  • Includes Cam Pin for smooth, reliable operation

• Gas System:

  • .750 Low Profile Gas Block made from steel and black hardcoat anodized for long-lasting performance
  • Rifle Length Stainless Steel Gas Tube for consistent and reliable cycling

• Handguards:

  • 15” M-Lok .308 Rail System, black hardcoat anodized for strength and corrosion resistance
  • M-Lok compatibility for easy attachment of accessories (Please note that M-Lok designs may vary based on availability, but quality remains consistent)

• Compatibility:

  • DPMS Low Profile Compatible
  • California Compliant
  • Does not include BCG (Bolt Carrier Group)

Additional Information:

• Customization Options: Mlok  designs may vary slightly from images based on stock availability, but all components meet Moriarti Armaments’ high standards for quality.
• Perfect for Your AR-10 Build: This upper assembly is ideal for shooters looking to build a lightweight and versatile AR-10, whether for hunting, target shooting, or tactical use.

FAQ

What lower receiver does it fit?

It fits DPMS-pattern (LR-308 style) .308 AR-10 lower receivers. Large-frame AR dimensions are not fully standardized, so verify your lower pattern before ordering.

Does it include a BCG and charging handle?

No. Add a .308 AR-10 bolt carrier group and charging handle separately or as add-ons on this page.

Why a side charging upper?

The side charging handle lets you cycle the action without breaking your cheek weld or reaching around a scope.

Related: .308 AR-10 uppers · all AR-10 upper assemblies · .30 cal suppressors

Images may not be an exact representation of the product.