Daniel Defense MK12 DDM4 SPR 5.56 NATO 18″ 12″ Rail

About this product

The Daniel Defense MK12 (DDM4 MK12 SPR) is a purpose-built modern sporting rifle chambered in 5.56mm NATO and built around an 18-inch MK12-profile barrel. It features a rifle-length direct impingement gas system, free-floating Daniel Defense DDM4 12.0 Picatinny quad rail, and CNC-machined 7075-T6 aluminum upper and lower receivers. The rifle is equipped with a Geissele SSA two-stage trigger and ships with one removable Daniel Defense magazine. Intended for precision-oriented range use and disciplined target shooting, the MK12 integrates established components for consistent performance.

Key Specifications

• The caliber is 5.56mm NATO.
• The barrel length is 18 inches.
• The barrel profile is MK12.
• The gas system is rifle-length direct impingement.
• The handguard is a 12.0-inch DDM4 free-floating Picatinny quad rail.
• The receivers are CNC-machined 7075-T6 aluminum.
• The trigger is a Geissele SSA 2-stage.
• The muzzle thread pattern is 1/2×28 TPI.
• The charging handle is a GRIP-N-RIP.
• The rifle includes one removable Daniel Defense magazine.

Robustly built around proven components, the MK12 presents a mission-focused package for shooters who value accuracy and reliable, purpose-driven design. With its 18″ MK12 profile barrel, precision trigger, and free-floating rail, this rifle is well suited to precision-oriented range work and disciplined shooting applications where consistent performance and quality construction matter.

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