Moriarti AR-15 5.56/.223 7.5" Mlok Upper Assembly / Shroud / Mlok

5.56 NATO & .223 Wylde

AR-15 5.56/.223 7.5" Mlok Upper Assembly / Shroud / Mlok

The AR-15 5.56/.223 7.5" M-LOK Upper Assembly from Moriarti Armaments offers a compact and powerful option for your AR-15 build. Designed for ultimate performance, this upper features a 7.5-inch barrel chambered in 5.56 NATO and equipped with premium components that ensure precision and reliability. Whether you’re building a short-barrel rifle or a pistol, this upper assembly provides excellent durability, superior accuracy, and enhanced recoil management.

Key Features:

• Barrel:

  • 7.5″ Barrel chambered in 5.56 NATO, perfect for short-barrel applications.
  • 4150 Chrome Moly Steel with Nitro-Met coating for increased durability and corrosion resistance.
  • CNC Machined for precision and equipped with M4 feed ramps to ensure smooth cycling.
  • 1:7 Twist Rate, ideal for stabilizing heavier projectiles, ensuring optimal performance with both 5.56 NATO and .223 Remington cartridges.
  • Threaded 1/2x28, compatible with most standard muzzle devices.

• Muzzle Brake:

  • Micro Slip Over Barrel Shroud 
  • Anodized Black finish and 1/2x28 Thread for easy attachment to compatible barrels, helping to reduce recoil and muzzle rise.

• Handguard:

  • 7″ M-LOK Free Float Rail for lightweight and ergonomic design.
  • Diamond Cut M-LOK pattern ensures secure attachment of accessories and provides a sleek, modern look.

• Gas System:

  • Pistol-Length Gas System with a .750 Low Profile Steel Gas Block, designed to handle the shorter barrel length and ensure proper cycling and function.
  • Hardcoat Anodized finish for added durability.

• Upper Receiver:

  • A3 Flat-Top Upper Receiver made from 7075-T6 Aluminum, the most durable and reliable material for uppers.
  • Hardcoat Anodized finish to military specifications (MIL-SPEC), ensuring long-lasting protection against wear and corrosion.
  • Includes Mil-Spec Forward Assist and Dust Cover for added reliability.

• Bolt Carrier Group and Charging Handle:

  • Not Included – allowing you to select and customize your BCG and charging handle based on your preferences.

Specifications:

• Chamber: 5.56 NATO / .223 Remington (accepts both)
• Barrel Material: 4150 Chrome Moly Steel with Nitro-Met Coating
• Barrel Length: 7.5″
• Barrel Twist: 1:7
• Thread: 1/2x28
• Muzzle Device: Slip Over Barrel Shroud
• Gas Block: .750 Low Profile Steel, Hardcoat Anodized
• Gas System: Pistol Length
• Handguard: 7″ M-LOK Free Float Rail with Diamond Cut M-LOK
• Upper Receiver: A3 Flat-Top Upper, 7075-T6 Aluminum, Black Hardcoat Anodized
• Forward Assist & Dust Cover: Installed
• Bolt Carrier Group: Not Included
• Charging Handle: Not Included

Package Contents:

• AR-15 5.56/.223 7.5" M-LOK Upper Assembly
• Micro Slip Over Barrel Shroud 
• 7″ M-LOK Free Float Rail Handguard
• A3 Flat-Top Upper Receiver with Forward Assist & Dust Cover
• Pistol-Length Gas System Components

Note: This upper assembly does not include a BCG or charging handle, giving you the flexibility to customize your build. Images may not be an exact representation of the product; slight variations in rail design may occur based on stock availability, but the quality remains the same.