Brand: Daniel Defense
Model: DD4 MK18 RIII
Platform: AR-15
Caliber: 5.56 NATO
Gas System: Carbine Length / Direct Impingement
Barrel Length: 10.3"
Barrel Finish: Black
Capacity: NO MAGAZINE
Twist Rate: 1:7
Muzzle Thread: 1/2 x 28
Muzzle Device: Daniel Defense Flash Hider
Stock Description: SB Tactical SBA3 Brace
Stock Material: Polymer
Grip Description: DD Grip
Grip Material: Polymer
Furniture Finish: Black
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Black Anodized
Lower Receiver Material: 7075-T6 Aluminum
Lower Receiver Finish: Black Anodized
FCG: Daniel Defense Mil‑Spec Trigger
Rail Description: RIS III 9.5" Free Floating Rail
Rail Material: Aluminum
Rail Finish: FDE
Attachment Style: M-LOK
Safety: Ambidextrous
Bolt Carrier Group: Yes
Charging Handle: Yes
OAL: 26.75" – 29.88"
Weight: 5.7 lbs

Features

The Daniel Defense DD4 MK18 RIII 10.3" 5.56 NATO is a compact, duty-grade AR platform engineered for exceptional reliability, durability, and close-quarters performance. Featuring a cold hammer forged 10.3-inch government-profile barrel with a 1:7 twist rate and a carbine-length direct impingement gas system, it delivers outstanding accuracy, long service life, and dependable cycling. The rifle is equipped with Daniel Defense's rugged 9.5-inch RIS III free-float handguard, providing a rigid platform with ample space for optics, lights, lasers, and other mission-essential accessories.

Built with forged aluminum receivers and finished for enhanced durability, the DD4 MK18 RIII includes an ambidextrous safety selector, a Daniel Defense flash hider, and a mil-spec trigger for reliable, consistent performance. Designed to excel in professional, defensive, and training environments, this MK18 configuration combines premium components with Daniel Defense's proven engineering to deliver a highly capable and adaptable 5.56 NATO platform.

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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).