Moriarti AR-15 400 Legend 16" Tactical Upper – M-LOK, Shroud, Forged Receiver

AR-15 Line

Moriarti AR-15 400 Legend 16" Tactical Upper – 4150 CMV Nitride, M-LOK Rail, Barrel Shroud

Upgrade your AR-15 with the Moriarti 400 Legend 16" Tactical Upper Assembly, engineered for power, precision, and reliability. Built around the hard-hitting 400 Legend cartridge, this upper offers improved range and terminal performance ideal for hunting, target shooting, and law enforcement builds.

Built on a 4150 CMV nitride-treated barrel with a medium profile, this 16" upper delivers excellent durability and reduced weight. The 15" M-LOK free-float handguard offers optimal customization while the barrel shroud enhances both aesthetics and muzzle flash suppression.

Backed by Moriarti quality and compatibility with Mil-Spec AR-15 platforms, this upper is ready to deliver premium results with every shot.

Key Features:

• Caliber: 400 Legend

• Barrel: 16" | 4150 CMV | Nitride | 1:16 twist | Medium profile

• Thread: 5/8x24 (compatible with .40 cal devices)

• Muzzle Device: Barrel Shroud – black finish

• Handguard: 15" Slim Free-Float M-LOK | Anodized

• Gas System: Carbine-Length

• Gas Block: .750 Micro Steel | Nitride

• Receiver: A3 Forged | Hardcoat Anodized | Forward Assist + Dust Cover

  
  

  Pair it with the Moriarti AR-15 400 Legend BCG + Charging Handle Kit for a complete drop-in solution.