HK 45 USP

Name Hk.45 USP Tactical
Caliber .45 ACP
Designed By Helmut Weldle
Manufacturer Heckler & Koch
Variants Mk.23 Mod 0 (USSOCOM only)
Mark 23 (civilian market, law enforcement only)
Weight 1.21 kg (2.7 lb), empty
1.47 kg (3.2 lb), loaded
2.29 kg (5.0 lb), loaded, with suppressor and LAM


Length 245 mm (9.5 in), without suppressor
421 mm (16.5 in), with suppressor
Barrel length 149 mm (6 in)
Cartridge .45 ACP (AA18, A475)
Action Short recoil, DA/SA
Rate of fire Semi-automatic
Effective range 50 m
Feed system 12-round detachable box magazine