Beretta PMX vs Heckler & Koch MP5

2018–present

1966–Present

Unknown

~2,000,000 estimated

640 mm (25.2 in) stock extended

680 mm (26.8 in) stock extended, 550 mm (21.7 in) stock retracted (MP5A3); Varies significantly depending on variant.

210 mm (8.27 in)

115 mm (4.5 in) standard, various lengths depending on variant (e.g., MP5K: 102 mm (4.0 in), MP5SD: 146 mm (5.7 in))

2.40 kg (5.3 lb)

2.54 kg (5.6 lb) empty (MP5A3)

30 rounds

15, 30 rounds standard; 10, 20, and 40 round options available

Closed-bolt blowback

Roller-delayed blowback, closed bolt

Single/selective fire

Single-stage military trigger; SEF (Safe, Semi-automatic, Full-automatic) or Navy trigger groups available with burst-fire options

Flip-up aperture rear, post front

Rotary drum rear, hooded front post