{{Infobox Weapon |name=MSSR |image= |caption=Philippine Naval Special Warfare Group (NSWG) sniper with MSSR and spotting scope (on tripod) |origin= Philippines |type=Sniper rifle |is_ranged=yes |service= 1996–present |used_by= Philippine Marines, Philippine Navy Naval Special Warfare Group (NSWG) |wars= Anti-guerrilla operations in Visayas and Mindanao |designer= Colonel Jonathan C. Martir, Philippine Marine Corps |design_date= 1996 |manufacturer= Philippine Marine Corps |production_date= 1996 |number= |variants= Night Fighting Weapon System (NFWS) |weight= 10 lbs (4.55 kg) |length= 42.25 in. (1073 mm) |part_length= 24 in. (610 mm) |crew= 1 |cartridge= 5.56 x 45 mm NATO, .223 Remington|.223 Remington |caliber= 5.56 Metre|mm (.223 Inch|in) |action= Gas-operated (direct impingement), rotatin