Moriarti AR-15 5.56 NATO 16" M4 Carbine Upper Assembly – 15" M-LOK, Triport Brake

16" 5.56 Upper: Specs & Features

MORIARTI AR-15 5.56 NATO 16 M4 Carbine Upper Assembly with a 15 MLOK rail and triport muzzle brake is a product designed for AR-15 enthusiasts looking for a high-quality upper receiver assembly. This specific setup is designed to provide shooters with a reliable and versatile platform for various shooting activities, including target practice, competition shooting, and hunting.

MORIARTI AR-15 upper assembly features:

Caliber: 5.56 NATO, which allows for the use of both 5.56x45mm NATO and .223 Remington ammunition due to the chambering.

Barrel Length: 16 inches, which is a common length for AR-15 rifles, offering a balance between maneuverability and ballistic performance.

Muzzle Device: The tri muzzle device is aimed at reducing recoil, minimizing flash, and compensating for muzzle rise. 

Handguard: A 15-inch MLOK handguard, which provides ample space for mounting accessories such as lights, grips, and bipods. MLOK is a widely used, modular mounting system developed by Magpul Industries, offering lightweight and direct attachment options.

Specs:

Action: Semi-auto

Chamber: 5.56 NATO

Twist Rate: 1/7

Muzzle Device: Thread 1/2 X28  nitride tri port muzzle brake  

Barrel: 16" M4 contour, 4150V steel, chrome moly, heat treated, black, M4 feedramps, .750 gas block diameter

Handguard: 15" rifle length slim Mlok Free Float

A3 flat top upper receiver - Made from certified 7075-T6 aluminum forgings, black hardcoat anodized to gov. specs.; forward assist and dust cover installed

Gas System: Carbine Length Gas System /750 steel gas block

Does not come with BCG and Charging Handle. Can be purchased separately. Images may not be an exact representation of the product.

FAQ

Will this upper fit my AR-15 lower?

Yes. It fits any standard mil-spec AR-15 lower receiver and uses a standard 5.56 bolt carrier group and STANAG/AR-15 magazines.

Can I shoot both 5.56 NATO and .223 Remington?

Yes. A 5.56 NATO or .223 Wylde chamber safely fires both 5.56 NATO and .223 Remington ammunition.

Is a bolt carrier group included?

No. The bolt carrier group is sold separately; any standard 5.56 AR-15 BCG will work.

What twist rate does it use?

A 1:7 twist, the mil-spec rate that stabilizes 55 gr through heavy 77 gr loads.

Related: 5.56 NATO & .223 Wylde AR-15 uppers