IMI Uzi vs Thompson Submachine Gun

1954–present

1921–Present

Over 10,000,000 (including variants)

~1,500,000 units (World War II peak production) and limited post‑war runs

470mm (18.5 in) stock folded, 650mm (25.6 in) extended

762 mm (30.0 in) with stock extended; 660 mm (26.0 in) with stock folded (M1A1)

260mm (10.2 in) full-size, 197mm (7.75 in) Mini

254 mm (10.0 in) standard; 305 mm (12.0 in) for some export models

3.5 kg (7.7 lb) full-size, 2.7 kg (6 lb) Mini

4.4 kg (9.7 lb) empty (M1); 3.9 kg (8.6 lb) empty (M1A1)

25, 32, or 40 rounds (full-size), 20, 25, 32 (Mini)

20‑round box, 30‑round box, 50‑round drum, 100‑round drum (rare)

Blowback, open bolt

Simple blow‑back, open‑bolt, selective‑fire; rate of fire 600–1,250 rpm depending on model

Progressive trigger (semi-automatic on partial pull, full-auto on full pull)

Two‑stage trigger: semi‑automatic (first pull) and fully‑automatic (second pull) on early models; later models use a single‑stage full‑auto trigger with a selector switch

Hooded front post, adjustable flip aperture rear (100m/200m)

Rotary drum rear sight with 50, 100, 200, 300 yard settings; hooded front post; optional adjustable rear sight on later police variants