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MK 12 SPR Special Purpose Rifle

The MK12 SPR is a modified variant of the M16 family of weapons. The SPR grew out of a requirement of the Navy SEALs and Army Special Forces for a compact light sniper weapon. To fulfill that need, the SPR is fitted with a threaded-muzzle match-grade free floating stainless steel heavy barrel. It fires the Mk 262 Open Tip Match Mod 1 round that has been specifically developed for the SPR. The SPR is a semi-automatic weapon that is fed from a 20 or 30-round STANAG magazine.

The modular SPR is designed to be customizable to needs of the end user and as such can be configured with a range of butt stocks, optics and other accessories. The weapon's hand guards are free-floating, a design, when coupled with the free-floating barrel, increases the weapon's accuracy.

The SPR has been used by US SOF in Iraq and Afghanistan and has been seen in use by the SEALS, Army Special Forces and the Rangers. The United States Marine Corps employ the Mk12 at the squad level, where it is used by designated marksmen.

MK12 SPR Specifications

weight: 10 lbs (optic + 30-round magazine)
length: 37.5 inches
barrel length: 18 inches
rate of fire : semi-automatic
muzzle velocity : 3,050 feet per second
caliber : 5.56mm x 45mm NATO
magazine : 20 / 30 rounds

MK 12 SPR - Images and Further Info

US Navy  MK 12 Mod 1
A US Navy MK 12 Mod 1 SPR. The Mod 1 variant is typically seen in use by Navy SEALs and Army Rangers while the Mod O is favored by Army Special Forces. Differences between Mod O and Mod 1 include the choice of flip-up iron sights (front and rear), accessory rails, scope mounts and hand guards.
photo : US DoD

MK 12 SPR - Army Special Forces
A Navy SEAL takes aim with a MK 12 Mod 1 SPR fitted with a 30-round magazine, a M4-style butt stock, suppressor and a AN/PEQ-2A Target Pointer/Illuminator Aiming Light (TIPAL) attached to the right rail.
photo : U.S. Dod

MK12 SPR - Special Forces
An Army Special Forces soldier takes aim with a MK12 Mod 0 fitted with a suppressor and a removable Harris swivel model bipod.
photo : US DoD

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