Daniel Defense DD4 MK18 RIII 5.56mm AR-15 Pistol, 10.3” Barrel, SBA3 Brace, Black/FDE

Overview

The Daniel Defense DD4 MK18 RIII combines the proven MK18 platform with the Daniel Defense RIS III Rail Interface System. The compact AR-15-style pistol features a 10.3” cold hammer-forged Government-profile barrel, carbine-length gas system, and free-float RIS III handguard with M-LOK attachment points.

The pistol is built around CNC-machined 7075-T6 aluminum receivers and features an independently ambidextrous GRIP-N-RIP charging handle, Daniel Defense pistol grip, and SB Tactical SBA3 pistol stabilizing brace. The RIS III handguard provides an uninterrupted Picatinny top rail, M-LOK attachment points, and integrated QD swivel attachment points.

Key Features

• 5.56mm NATO chambering
• 10.3” cold hammer-forged barrel
• Government-profile, chrome-lined barrel
• 1:7 twist rate
• Carbine-length direct-impingement gas system
• Daniel Defense 9.5” RIS III free-float handguard
• M-LOK attachment system
• Full-length Mil-Spec 1913 Picatinny top rail
• Integrated QD swivel attachment points
• Independently ambidextrous GRIP-N-RIP charging handle
• SB Tactical SBA3 pistol stabilizing brace
• Daniel Defense ergonomic pistol grip
• M16-profile bolt carrier group
• Three heat-resistant Santoprene rail ladders
• Black/FDE finish
• Made in the USA

Specifications

• Manufacturer: Daniel Defense
• Model: DD4 MK18 RIII
• Firearm Type: AR-15 Style Pistol
• Caliber: 5.56mm NATO
• Action: Semi-Automatic
• Capacity: 32 Rounds (1 magazine included)
• Barrel Length: 10.3”
• Barrel Profile: Government
• Barrel Type: Cold Hammer Forged
• Barrel Material: Chrome Moly Vanadium Steel
• Barrel Twist: 1:7
• Barrel Finish: Mil-Spec Heavy Phosphate
• Barrel: Chrome Lined, HP/MPI Tested
• Gas System: Carbine Length, Direct Impingement
• Muzzle Thread: 1/2x28 TPI
• Muzzle Device: Daniel Defense Flash Suppressor
• Handguard: Daniel Defense 9.5” RIS III
• Mounting System: M-LOK
• Upper Receiver: 7075-T6 Aluminum
• Lower Receiver: 7075-T6 Aluminum
• Receiver Finish: Type III Hard Coat Anodized
• Charging Handle: GRIP-N-RIP
• Bolt Carrier Group: M16 Profile, Chrome Lined, MP Tested
• Buffer: H Buffer
• Receiver Extension: 6-Position Mil-Spec
• Brace: SB Tactical SBA3
• Pistol Grip: Daniel Defense
• Sights: Sold Separately
• Overall Length: 26-3/4”–29-7/8” with muzzle device
• Weight: 5.27 lbs.
• Magazine: DD Magazine
• Case: Daniel Defense Full-Latch Impact Plastic Case
• Country of Origin: USA
  
  

MPN: 02-191-13295-047
UPC: 818773025232

Included Features

• Daniel Defense 9.5” RIS III Handguard
• SB Tactical SBA3 Pistol Stabilizing Brace
• Daniel Defense Pistol Grip
• Three Santoprene Low-Profile Rail Ladders
• Daniel Defense Flash Suppressor
• DD Magazine
• Daniel Defense Full-Latch Impact Plastic Case

Applications

The DD4 MK18 RIII is designed as a compact AR-15-style pistol incorporating the MK18’s 10.3” barrel configuration with the lighter and more versatile RIS III handguard system. Its compact dimensions, M-LOK attachment points, full-length top rail, and ambidextrous controls make it suitable for range use and other applications where a compact firearm platform is desired.

Please check out our special deals on 5.56mm ammo.