C1. : Mk 3 variant, trials only : Mk 3 variant : Mk 3 variant, trials only : L2A variant. Used by the Royal Hong Kong Regiment. : 32,536 Mk 4 were delivered. licensed version were built by the Indian Ordnance Factories and stopped in 2010. Currently all the remaining SMG are being replaced by JVPC/MSMC. : replaced by MP5 Submachine Gun : Mk 4 variant. Around 13,241 Mk 4s made and sold to Iraq. : Used by the Jamaica Defence Force as a personal defense weapon for auxiliary units. : L2A3 variant : Mk 2 and L34 variants and Indian-made 1A1 : at least 18,500 Mk 4 bought : L34A1s used by Naval Special Warfare Group. : Mk 3 variant ordered for trials. Mk 4 variant used by Singapore Police Force's paramilitary units—Gurkha Contingent, Police Coast Guard and Police Special Operations Command; replaced by the Heckler & Koch MP5 since 1999. : Mk 3 variant, trials only : UOE special group of the Spanish Navy. : Mk 3 variant, trials only : L2A1 variant was accepted by the British Army in 1953. L34A1 variant entered service in 1966. Mk 3 variant used by the Royal Ulster Constabulary from 1971 to 1992 when replaced by the Heckler & Koch MP5. : Mk 3 and Mk 4 variants, trials only See also CETME C2 submachine gun F1 submachine gun Lanchester submachine gun E-11 blaster rifle, a prop from the Star Wars film universe based on the Sterling frame. References Citations Bibliography External links 9mm Parabellum submachine guns API blowback firearms Submachine guns of the United Kingdom World War II submachine guns