Make: Daniel Defense
Model: M4A1 RIII
Caliber: 5.56mm NATO
Mounting System: M-LOK
Muzzle Thread: 1 ⁄ 2 × 28 TPI (Threads Per Inch)
Gas System: Mid-length
Barrel Length: 14.5"
Barrel Type: Cold Hammer Forged
Barrel Description: Government
Product Weight: 6.2 LBS

Features

The Daniel Defense M4A1 RIII 5.56 Rifle is a Sports Inc. exclusive that combines combat-proven durability with modern enhancements for elite-level performance. Featuring a 14.5-inch chrome-lined, Government-profile barrel with a pinned and welded Dead Air three-prong flash hider, this rifle is optimized for reliability, accuracy, and suppressor compatibility in any mission-ready setup.

The rifle's standout feature is the 12.5-inch RIS III M-LOK rail, inspired by the iconic SOCOM-issued RIS II, now upgraded for improved modularity and reduced weight. Additional premium upgrades include a TriggerTech 2-stage trigger, M-Bus Pro steel sights, Ergo Wedgelok panels, and an Armageddon Gear sling—all enhancing control, precision, and comfort under stress.

Finished in OD Green with black accents on the bolt-up plate and flash hider, this rifle is proudly built in the U.S.A. by the expert team at Daniel Defense, delivering the rugged reliability and refined engineering expected by professionals and enthusiasts alike.

Key Features:

Caliber: 5.56 NATO
Barrel: 14.5" Chrome-Lined, Heavy Phosphate-Coated Government Profile
Rail: 12.5” RIS III M-LOK, OD Green
Trigger: TriggerTech 2-Stage for enhanced control
Flash Hider: Pinned & Welded Dead Air Three-Prong
Sights: M-Bus Pro Front & Rear Steel Sights
Furniture: Ergo Wedgelok Panels, Armageddon Gear Sling
Upper & Lower Receivers: DDM4 OD Green
Made in the USA

Report incorrect product description

Reviews

Q & A

Retail Stock

Compliance

Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

Magazines will be removed from firearms when shipping to states with magazine capacity restrictions.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

Daniel Defense DDM4 M4A1 RIII 14.5" 5.56 NATO ODG Rifle Package