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Rainier Arms RUC DI 5.56 NATO Complete Upper RA-RUC-DI-16M-CU Caliber: 5.56x45mm NATO, Barrel Length: 16 in, w/ Free S&H

Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
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Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
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Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
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Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
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Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
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Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU
6 of 6 images
Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU

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Questions & Answers
Caliber:
5.56x45mm NATO
Barrel Length:
16 in
Gas System Length:
Mid Length
Firearms Threads Per Inch:
1/2x28
Color:
Black
Gun Model:
AR-15
Gas Block Journal Size-Diameter:
.750 in

Code: 4ZM-UFH-CPO23-RA-RUC-DI-16M-CU

MPN: RA-RUC-DI-16M-CU

UPC: 744985351848

$830.00

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 Rainier Arms RUC DI 5.56 NATO Complete Upper

Introducing the RUC DI Complete Upper. Bringing the highest quality parts to the market, while offering the best value as well. This complete upper utilizes a direct impingement operating system on their new and improved Rainier Arms Select barrel. Pairing up with their Urban Combat Rail to provide shooters with a rock solid handguard that can take any abuse. The complete upper is finished off with their Rainier Industries Avalanche ANC charging handle and their Rainier Arms FHV2 Flash Hider.image

Specifications for Rainier Arms RUC DI 5.56 NATO Complete Upper:

Manufacturer: Rainier Arms
Caliber: 5.56x45mm NATO
Barrel Length: 16 in
Gas System Length: Mid Length
Firearms Threads Per Inch: 1/2x28
Color: Black
Gun Model: AR-15
Fabric/Material: 416R Stainless Steel Nitrided
Gas Block Journal Size-Diameter: .750 in
Gun Type: Rifle
Gun Make: AR Platform
Magazine Included: No

Package Contents:

  • Rainier Arms RUC DI 5.56 NATO Complete Upper

What firearm models does the manufacturer say Rainier Arms RUC DI 5.56 NATO Complete Upper is compatible with?

The manufacturer suggests that Rainier Arms RUC DI 5.56 NATO Complete Upper is compatible with AR-15

Rainier Arms RUC DI 5.56 NATO Complete Upper Orderable Models

List of Orderable Models

  • Rainier Arms RUC DI 5.56 NATO Complete Upper, 16in, Black, Medium, RA-RUC-DI-16M-CU , MPN: RA-RUC-DI-16M-CU , UPC: 744985351848 , Code: 4ZM-UFH-CPO23-RA-RUC-DI-16M-CU
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Last updated 2026-08-24 UTC.