SR-25

For the related rifle, see M110 The Mk 11 Mod 0, the United States Marine Corps designation of the SR-25, is a semi-automatic sniper rifle based on the famous AR-10 designed by Eugene Morrison Stoner that fires the 7.62x51mm NATO round from a 10 or 20-round box magazine. It is slowly being replaced by a modernized version, the M110 that will also replace some of the USMC's M39 EMRs.

Battlefield 3
"Essentially an M16 chambered for the heavy 7.62mm NATO caliber the Mk 11 Mod 0 features a longer, heavier, free-floating barrel, enhanced rail system and provisions to mount a sound suppressor. Everything about the Mk 11 Mod 0 is designed to enhance accuracy and provide a squad long range, accurate, Semi-Automatic fire. The Mk 11 Mod 0 is equipped with a Rifle Scope (8x) by default."

- Battlelog description

Singleplayer
In Singleplayer mode, the Mk 11 Mod 0 is used during the mission, Operation Swordbreaker. It is primarily intended to cover Chaffin's extraction after taking out the enemy sniper in the hotel. It is also seen in Night Shift being used by Steve Campo equipped with a Holographic Sight and Suppressor.

Co-op
In Co-op, the Mk 11 Mod 0 is used as a primary weapon for both players alongside a silenced M9 in Drop 'Em Like Liquid with an IRNV scope, a Silencer, and a Bipod.

Multiplayer
In multiplayer, it is the standard-issue rifle of the USMC Recon kit. It is a default unlock for the USMC, and is the equivalent of the SVD for the Russian faction and—like the SVD and M39 EMR—is equipped with a 10-round-magazine, a semi-automatic firemode, and high damage. Out of the three, it possesses the quickest reload. It is later unlocked for both the USMC and Russian faction at 195,000 Recon points.

Trivia

 * It shares an identical reload animation with the M4.
 * The Mk11 has nearly identical stats to the SVD, the only main difference being its faster reload time over the SVD.
 * The charging handle is incorrectly solid, like the M416 and the M417.
 * On its proficiency dogtag, the Mk11 is modified with a 12x Ballistic Scope, bipod, and suppressor.