Kriss Vector vs MAC-10

2009–present

1966–Present

Unknown

~250,000 estimated (including U.S., Brazilian, and Asian licensed production)

406mm (16 in) stock folded, 620mm (24.4 in) extended

254 mm (10.0 in) with stock folded; 330 mm (13.0 in) with stock extended

140mm (5.5 in) SMG, 406mm (16 in) civilian carbine

127 mm (5.0 in) for 9 mm version; 127 mm (5.0 in) for .45 ACP version

2.7 kg (5.95 lb) .45 ACP, 2.5 kg (5.5 lb) 9mm

2.5 kg (5.5 lb) empty, .45 ACP version; 2.3 kg (5.1 lb) empty, 9 mm version

13-30 rounds depending on caliber (Glock magazine compatible)

30‑round box magazine standard; 20‑round (compact) and 40‑round (drum) options available

Delayed blowback, closed bolt — Super V recoil mitigation

Straight‑blowback, open bolt, telescoping bolt with simple recoil spring; selective‑fire (semi‑auto and full‑auto)

Selective fire (safe, semi, 2-round burst, full auto on military models)

Single‑stage mechanical trigger with manual safety lever; full‑auto fire only when selector set to "auto"

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

Fixed, low‑profile iron sights: simple blade front post and notch rear; optional aftermarket tritium night sights