Glock 17 vs HK USP Compact

1982–Present

1994–present

12,000,000+ units (estimated worldwide across all generations and variants)

Unknown

204 mm (8.03 in)

173 mm

114 mm (4.49 in)

91 mm (3.58 inch)

625 g (1.38 lb) empty, 905 g (1.99 lb) loaded

0.727 kg (unloaded, 9mm)

17 rounds standard; 19, 24, 31, 33, 45 round options available

13 rounds (9mm), 12 rounds (.40), 8 rounds (.45)

Short recoil, locked breech, striker-fired with Safe Action trigger system (trigger safety, firing pin safety, drop safety)

Short recoil, locked breech with recoil buffer