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Moriarti AR-15 16 inch 5.56 Nato Upper Receiver Assembly MAR-556-16-15-TRI Caliber: 5.56x45mm NATO, Barrel Length: 16 in, $39.96 Off w/ Free S&H

Moriarti Complete Upper Receiver, AR-15, 5.56 Nato, 16 inch Barrel, M4, Carbine Length, 1x7 Twist, 1/2x28 Thread, M-LOK Handguard, Triport, Hardcoat Anodized, Black, MAR-556-16-15-TRI
Moriarti Complete Upper Receiver, AR-15, 5.56 Nato, 16 inch Barrel, M4, Carbine Length, 1x7 Twist, 1/2x28 Thread, M-LOK Handguard, Triport, Hardcoat Anodized, Black, MAR-556-16-15-TRI
Moriarti Complete Upper Receiver, AR-15, 5.56 Nato, 16 inch Barrel, M4, Carbine Length, 1x7 Twist, 1/2x28 Thread, M-LOK Handguard, Triport, Hardcoat Anodized, Black, MAR-556-16-15-TRI
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Moriarti Complete Upper Receiver, AR-15, 5.56 Nato, 16 inch Barrel, M4, Carbine Length, 1x7 Twist, 1/2x28 Thread, M-LOK Handguard, Triport, Hardcoat Anodized, Black, MAR-556-16-15-TRI
Moriarti Complete Upper Receiver, AR-15, 5.56 Nato, 16 inch Barrel, M4, Carbine Length, 1x7 Twist, 1/2x28 Thread, M-LOK Handguard, Triport, Hardcoat Anodized, Black, MAR-556-16-15-TRI
2 of 2 images
Moriarti Complete Upper Receiver, AR-15, 5.56 Nato, 16 inch Barrel, M4, Carbine Length, 1x7 Twist, 1/2x28 Thread, M-LOK Handguard, Triport, Hardcoat Anodized, Black, MAR-556-16-15-TRI

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Questions & Answers
Caliber:
5.56x45mm NATO
Barrel Length:
16 in
Barrel Profile:
M4
Gas System Length:
Carbine Length
Barrel Twist Rate:
1-7
Firearms Threads Per Inch:
1/2x28
Handguard Type:
Free-Float
Muzzle Device:
Tri Port Muzzle Brake
Finish:
Hardcoat Anodized
Color:
Black
Handguard Length:
15 in
Barrel Material:
4150 CMV Steel

Code: 5MY-URC-NK813T-MAR-556-16-15-TRI

MPN: MAR-556-16-15-TRI

UPC: 799787099023

List: $399.95Save 10%
$359.99

ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

Product Info for Moriarti AR-15 16 inch 5.56 Nato Upper Receiver Assembly

Moriarti AR-15 5.56 Nato 16 M4 Carbine Upper Assembly with a 15 M-lok 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.image

WARNING: California`s Proposition 65

Specifications for Moriarti AR-15 16 inch 5.56 Nato Upper Receiver Assembly:

Manufacturer: Moriarti
Caliber: 5.56x45mm NATO
Barrel Length: 16 in
Barrel Profile: M4
Gas System Length: Carbine Length
Barrel Twist Rate: 1-7
Firearms Threads Per Inch: 1/2x28
Handguard Type: Free-Float
Muzzle Device: Tri Port Muzzle Brake
Finish: Hardcoat Anodized
Color: Black
Fabric/Material: 7075-T6 Aluminum
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 15 in
Gun Rail: M-LOK
Gun Make: AR Platform
Gun Model: AR-15
Barrel Material: 4150 CMV Steel
Bolt Carrier Group Included: No
Charging Handle Included: No
Magazine Included: No
Mount Type: M-LOK

Package Contents:

  • Moriarti AR-15 16 inch 5.56 Nato Upper Receiver Assembly

What firearm models does the manufacturer say Moriarti AR-15 16 inch 5.56 Nato Upper Receiver Assembly is compatible with?

The manufacturer says that Moriarti AR-15 16 inch 5.56 Nato Upper Receiver Assembly is compatible with AR-15

Moriarti AR-15 16 inch 5.56 Nato Upper Receiver Assembly Orderable Models

List of Orderable Models

  • Moriarti Complete Upper Receiver, AR-15, 5.56 Nato, 16 inch Barrel, M4, Carbine Length, 1x7 Twist, 1/2x28 Thread, M-LOK Handguard, Triport, Hardcoat Anodized, Black, MAR-556-16-15-TRI , MPN: MAR-556-16-15-TRI , UPC: 799787099023 , Code: 5MY-URC-NK813T-MAR-556-16-15-TRI
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Last updated 2026-07-28 UTC.