Mk 12 Special Purpose Rifle

Naval Surface Warfare Center Crane · Sniper-Rifle · In Service · 2002

Weight (empty)4200 g (148.2 oz)
Overall Length965 mm (37.99")
Barrel Length457 mm (17.99")
Magazine Capacity20 rounds
Action TypeGas Operated Direct Impingement
Firing MechanismRotating Bolt
Muzzle Velocity854 m/s (2802 fps)
Muzzle Energy1459 J (1076 ft·lbf)
Effective Range600 m (656 yd)
Frame MaterialAluminum Alloy

Primary Caliber: 5.56x45mm NATO

The Mk 12 Special Purpose Rifle is a designated marksman variant of the M16/AR-15 platform, developed by the Naval Surface Warfare Center Crane Division for US Navy SEALs and Army Special Forces. Chambered in 5.56x45mm NATO with an 18-inch match-grade stainless steel barrel, the Mk 12 extends the effective range of the standard M16 to approximately 600 meters while maintaining the familiar AR-15 manual of arms. The rifle was designed to fill the gap between the standard infantry rifle and the 7....

Country of Origin: United States