Daniel Defense MK12 SPR AR-15 Upper 18-Inch 5.56 NATO

Description

The Daniel Defense MK12 SPR is a complete AR-15 upper configured with an 18-inch barrel and rifle-length gas system. Its DDM4 12.0 Rail, 1-in-7 twist, and included GRIP-N-RIP charging handle make it suited to rifle builds, upgrades, and precision-oriented range use.

Key Specifications

• The .223 Rem/5.56 NATO chambering supports the listed cartridge combination.
• An 18-inch barrel provides the stated barrel length for this upper assembly.
• The 1-in-7 rate of twist is suited to projectiles compatible with that twist specification.
• The rifle-length gas system uses the listed gas-system configuration.
• The DDM4 12.0 Rail provides the specified handguard and rail setup.
• The GRIP-N-RIP charging handle is included as an additional feature.
• The 1/2×28 thread pattern supports compatible muzzle devices.
• The matte black finish provides the listed exterior finish.
• The 5.25-pound weight identifies the stated unloaded upper weight.
• No sights are included with this upper.

This configuration is intended for builders and shooters seeking a complete AR-15 upper with a longer barrel, rifle-length gas system, and an integrated DDM4 rail. The combination of the 1-in-7 twist and listed charging handle gives it a clearly defined role in a precision-focused rifle build.

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