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Moriarti AR-9 4.5 inch 9mm Upper Receiver Assembly MAR-9MM-4-DMD-CH-BLK-DEMO Caliber: 9mm Luger, Barrel Length: 4.5 in, w/ Free Shipping

Moriarti Complete Upper Receiver, AR-9, 9mm, 4.5 inch Barrel, Straight Profile, 1-10 Twist, 1/2X36 Thread, M-LOK Handguard, Multiport, Anodized Black, Black, MAR-9MM-4-DMD-CH-BLK
Moriarti Complete Upper Receiver, AR-9, 9mm, 4.5 inch Barrel, Straight Profile, 1-10 Twist, 1/2X36 Thread, M-LOK Handguard, Multiport, Anodized Black, Black, MAR-9MM-4-DMD-CH-BLK
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Moriarti Complete Upper Receiver, AR-9, 9mm, 4.5 inch Barrel, Straight Profile, 1-10 Twist, 1/2X36 Thread, M-LOK Handguard, Multiport, Anodized Black, Black, MAR-9MM-4-DMD-CH-BLK

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Questions & Answers
Caliber:
9mm Luger
Barrel Length:
4.5 in
Barrel Profile:
Straight
Barrel Twist Rate:
1-10
Handguard Type:
Free-Float
Muzzle Device:
Multiport Muzzle Brake
Finish:
Black Anodized
Color:
Black
Handguard Length:
4 in
Condition:
Factory DEMO

Code: 5MY-URC-MA38AW-MAR-9MM-4-DMD-CH-BLK-DEMO

MPN: MAR-9MM-4-DMD-CH-BLK-DEMO

Final Sale
List: $399.95Save 22%
$309.99

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-9 4.5 inch 9mm Upper Receiver Assembly

The Moriarti AR-9 9mm 4.5 Diamond Cut 4 M-Lok Upper Assembly with a multiport feature, including an AR-15 Milspec Charging Handle, is a specialized upper receiver assembly designed for AR-style pistol-caliber carbines, particularly those chambered in 9mm. This specific model showcases several advanced and aesthetically pleasing features that appeal to both recreational shooters and those seeking a high-quality upper for home defense or competition shooting.image

Specifications for Moriarti AR-9 4.5 inch 9mm Upper Receiver Assembly:

Manufacturer: Moriarti
Caliber: 9mm Luger
Barrel Length: 4.5 in
Barrel Profile: Straight
Barrel Twist Rate: 1-10
Handguard Type: Free-Float
Muzzle Device: Multiport Muzzle Brake
Finish: Black Anodized
Color: Black
Fabric/Material: 7075-T6 Aluminum
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 4 in
Gun Rail: M-LOK
Gun Make: AR Platform
Gun Model: AR-9
Bolt Carrier Group Included: No
Charging Handle Included: MIL-SPEC
Magazine Included: No
Condition: Factory DEMO
Mount Type: M-LOK
Threads per Inch: 1/2x36

Features of Moriarti AR-9 4.5 inch 9mm Upper Receiver Assembly

  • 4 in Diamond cut rail
  • Comes complete with AR-15 CH

Package Contents:

  • Moriarti AR-9 4.5 inch 9mm Upper Receiver Assembly
  • Charging Handle

What firearm models does the manufacturer say Moriarti AR-9 4.5 inch 9mm Upper Receiver Assembly is compatible with?

The manufacturer suggests that Moriarti AR-9 4.5 inch 9mm Upper Receiver Assembly is compatible with AR-9

Moriarti AR-9 4.5 inch 9mm Upper Receiver Assembly Orderable Models

List of Orderable Models

  • DEMO, Moriarti Complete Upper Receiver, AR-9, 9mm, 4.5 inch Barrel, Straight Profile, 1-10 Twist, 1/2X36 Thread, M-LOK Handguard, Multiport, Anodized Black, Black, MAR-9MM-4-DMD-CH-BLK , MPN: MAR-9MM-4-DMD-CH-BLK-DEMO , Code: 5MY-URC-MA38AW-MAR-9MM-4-DMD-CH-BLK-DEMO

Moriarti AR-9 4.5 inch 9mm Upper Receiver Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • Moriarti Complete Upper Receiver, AR-9, 9mm, 4.5 inch Barrel, Straight Profile, 1-10 Twist, 1/2X36 Thread, M-LOK Handguard, Multiport, Anodized Black, Black, MAR-9MM-4-DMD-CH-BLK , MPN: MAR-9MM-4-DMD-CH-BLK , UPC: 799787099337 , Code: 5MY-URC-MA38AW-MAR-9MM-4-DMD-CH-BLK
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Last updated 2026-07-16 UTC.