The HK P9 is a semi-automatic pistol from Heckler & Koch in 9×19mm Parabellum, .45 ACP, and 7.65×21mm Parabellum and the first to use a variation of H&K 's roller delayed blowback system in a pistol format and polygonal rifling [1] now common in H&K designs. [according to whom?]

2022年9月17日 · We take a look at the HK P9 and P9S to learn more about these unique pistols and, ultimately, why they disappeared...

HK P9S 是一款由 西德 黑克勒&科赫 所研製和生產的 半自動手槍，其最大特色是來自其前身 HK P9 的 滾軸延遲反衝式 系統和現在HK的常見設計之一的 多邊形 （英语：Polygonal rifling） 膛線 型設計 槍管，發射 9×19毫米 、.45 ACP 及 7.65×21毫米 （向意大利銷售）這三種 ...

2019年1月12日 · Despite being a relative flop militarily, the P9S found significant success on the civilian market, with H&K making “sport” versions with barrel weights and target grips for targeting shooting ...

2020年9月28日 · The HK P9S is a military and police pistol using a unique breech locking system derived from Heckler & Koch’s highly successful G3 assault rifle. The HK P9S has been adopted by German armed forces and police forces and widely sold worldwide.

The Heckler & Koch P9 is the only mass-produced roller-delayed blowback pistol, made using the same mechanism as the original H&K line of rifles.

2023年7月17日 · HK P9S: The Most Accurate 9mm Pistol In the World? The HK P9S was adopted by elite units around the globe, from West Germany’s GSG 9, Japan’s Special Armed …

2015年7月1日 · The HK P9S, shown here alongside the Walther P99 and HK USP, is unique among tactical handgun designs. The fixed barrel and roller-locked action made the P9S an exceptionally efficient suppressor host.

2025年1月15日 · The P9S was a double-action derivative of the P9, easily identified by the trigger guard and the position of the trigger lever. The trigger guard was altered in the 1970s to suit the fashionable two-handed grip, acquiring a reverse curve in the front edge. This cartridge was introduced along with the Luger semi-automatic pistol.

The P9 is a roller-delayed pistol manufactured from a stamped steel main frame and a polymer trigger guard. The stamped steel slide contains machined internal parts including a polygonally rifled barrel. High-profile fixed sights are fitted with two red rectangles on the rear sight and a white stripe on the drift adjustable front blade sight.