Heckler & Koch UMP vs IMI Uzi

1999–present

1954–present

Over 10,000,000 (including variants)

17.5 in (445 mm) stock folded / 27.6 in (700 mm) stock extended

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

8.0 in (203 mm)

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

5.1 lb (2.3 kg)

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

25 rounds (.45 ACP)

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

Straight blowback

Blowback, open bolt

Single-stage

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

Fixed front post, flip-up rear diopter

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