Daniel Defense DDM4 MK12 SPR | 5.56 NATO | 18″ | 10+1

The Daniel Defense DDM4 MK12 SPR is a California-compliant precision-oriented AR-style rifle built around an 18-inch stainless steel barrel and a free-floating DDM4 Rail 12.0 quad rail. It ships configured with a fixed 10+1 magazine and furniture specified for right-handed use, and its rifle-length gas system is engineered to work with the MK12 gas block. A practical optic option under $1,000 that pairs well with this platform is the Vortex Viper PST Gen II 1-6×24 for versatile target engagement at rifle ranges.

Product Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel measures 18 inches.
• The barrel is described as Stainless Steel.
• The action is Semi-Auto.
• The capacity is 10 + 1 in a fixed configuration.
• The overall length is 34.75″ – 37.88″.
• The listed weight is 7.40 lbs.
• The rate of twist is 1:7″.
• The receiver material is 7075-T6 Aluminum.
• The stock is 6 Position with SoftTouch Overmolding.
• The stock material is SYNTHETIC.
• The thread pattern is 1/2″x28.
• The package includes Hard Plastic Case.
• The number of magazines is 1 / 10 rd. Fixed Magazine.
• The UPC is 815604015806.

With an 18-inch stainless barrel, a free-floating DDM4 rail and a fixed-capacity configuration for California compliance, the DDM4 MK12 SPR is presented as a predictable, purpose-built rifle for precision-oriented range work and varmint/field use where a rifle-length gas system and longer sight radius are advantages. The included furniture and quad rail make mounting optics and essential accessories straightforward, and the fixed 10-round magazine meets the state’s regulatory requirements while retaining practical operational ergonomics.

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