Heckler & Koch P9

Heckler & Koch P9
TypeSemi-automatic pistol
Place of originWest Germany
Service history
In service1969-present
Production history
DesignerHeckler & Koch Gmbh
Designed1965-1969
ManufacturerHeckler & Koch
Produced1969-c.1978 (P9/pre-73), 1970-1995 (P9S)
No. builtSAO: 485; P9S: unknown
VariantsP9S, P9 SAO
Specifications
Mass880 g (31 oz), empty (.45 ACP)
Length19.2 cm (7.5 in)
Barrel length10.2 cm (4 in)
Height5.4 in
Cartridge9×19mm Parabellum
.45 ACP
7.65×21mm Parabellum
ActionRoller delayed, Traditional Double Action
Rate of fireSemi-automatic
Feed system9-round (9×19mm) or 7-round (.45 ACP) single column, detachable box magazine

The Heckler & Koch P9 is a semi-automatic pistol from Heckler & Koch in 9×19mm Parabellum, .45 ACP, and 7.65×21mm Parabellum. It is the first pistol to use a variation of H&K's roller delayed blowback system.