STEN SUB-MACHINE GUN

Caliber: 9mm

Length: 30 in ( 762 mm)

ght (unloaded): 6 lb 8 oz(2.95 kg

rel: 7.75 in (196 mm), 2 or 6 grooves, right-hand twist

Magazine: 32 round detachable box

Ammunition: 9mm Parabellum, bullet 115 gr, charge 6 gr

Rate of Fire: 550rpm

Muzzle Velocity: 1250 fps

The Sten Mk 2 was used from 1942 onwards and was an extremely simple weapon. It was unfairly disliked by many British troops, if prone to jamming. The jamming problem could be solved by only using a 30 round magazene. The mk 2 was replaced by the mk 3 in British army service in 1943.