IMI Uzi vs M3 Grease Gun

1954–present

1942–1945

Over 10,000,000 (including variants)

Over 680,000

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

757mm (29.8 in) stock extended / 579mm (22.8 in) stock folded

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

203mm (8.0 in)

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

3,700g (8.15 lb) empty

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

30 rounds

Blowback, open bolt

Blowback, open bolt

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

Selective fire (semi/full auto)

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

Fixed blade front, flip-up L-type rear (100 and 200 yards)