Ares FMG vs Heckler & Koch MP7

1985–1987

2001–Present

Fewer than 20 prototypes

~50,000 estimated

262 mm (10.3 in) folded; 503 mm (19.8 in) unfolded

418 mm (16.5 in) stock retracted, 638 mm (25.1 in) stock extended

203 mm (8.0 in)

180 mm (7.1 in)

2.38 kg (5.25 lb) empty

1.5 kg (3.3 lb) empty

20 or 32 rounds (Uzi magazines)

20, 30, or 40 rounds

Straight blowback, open bolt

Gas-operated, rotating bolt

Single-stage, selective fire (semi-auto/full-auto)

Single-stage

Fixed front post, fixed rear notch

Flip-up iron sights, Picatinny rail for optics