Optic shown in image(s) not included.

The Daniel Defense MK18 Limited Edition in 300 Blackout is a rare, collector-focused release—limited to only 200 sequentially engraved units. Built with a 10.3-inch cold hammer forged barrel, full FDE finish, and the iconic RIS II FDE quad rail, this MK18 blends top-tier performance with unmatched exclusivity. Outfitted with a B5 Systems Coyote Brown grip and the SB Tactical SBA5 brace, it delivers exceptional ergonomics and reliability in a compact platform.

This special series includes a Custom & Collectable Firearms challenge coin and a certificate of authenticity signed by the CCF owner. Special Note: Blackstone Shooting Sports received units #1/200 through #5/200, and all orders will be fulfilled randomly from this exclusive batch. With its limited-run status, premium build, and chambering in 300 Blackout, this MK18 stands as one of the most desirable Daniel Defense collector models ever released.

Key Features

• Caliber: 300 Blackout

• Barrel Length: 10.3"

• Capacity: 30

• Action: Semi-Auto

• Frame / Build: Daniel Defense MK18 platform

• Barrel Material: Chrome Moly Vanadium Steel

• Barrel Type: Cold Hammer Forged, Salt Bath Nitride

• Barrel Profile: S2W Profile

• Rifling Twist: 1:8"

• Rail System: RIS II FDE Picatinny Quad Rail

• Gas System: Pistol Length

• Overall Length: 27 1/16"

• Weight: 5.3 lbs (unloaded)

• Additional Features:

  • Extremely Limited — Sequential 1 of 200

  • Blackstone received units #1–5 — fulfilled at random

  • SB Tactical SBA5 Pistol Brace

  • Full Two-Tone FDE Finish

  • Includes challenge coin & certificate of authenticity