IMI Uzi vs SIG MPX

1954–present

2015–present

Over 10,000,000 (including variants)

Unknown

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

425mm (16.7 in) stock folded, 610mm (24 in) extended

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

114-203mm (4.5-8 in) — multiple configurations

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

2.67 kg (5.9 lb) 4.5-inch barrel

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

10, 20, or 30 rounds — translucent polymer

Blowback, open bolt

Gas-operated, short-stroke piston, closed bolt — rifle-derived

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

Selective fire (safe, semi, full auto on military models)

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

Flip-up iron sights, full-length MIL-STD-1913 rail