Heckler & Koch MP7 vs Sten Mk II

2001–Present

1941–1945

~50,000 estimated

Over 4,600,000

418 mm (16.5 in) stock retracted, 638 mm (25.1 in) stock extended

762mm (30 in)

180 mm (7.1 in)

197mm (7.75 in)

1.5 kg (3.3 lb) empty

2.95 kg (6.5 lb) empty, 3.7 kg (8.2 lb) loaded

20, 30, or 40 rounds

32 rounds — side-mounted (MP40-compatible design)

Gas-operated, rotating bolt

Blowback, open bolt

Single-stage

Selective fire (safe, semi, full auto — Mk II) or full auto only (some variants)

Flip-up iron sights, Picatinny rail for optics

Fixed front post, fixed peep rear — crude but functional