The Walther P99 is a semi-automatic pistol developed by the German company Carl Walther GmbH Sportwaffen of Ulm for law enforcement, security forces and the civilian shooting market as a replacement for the Walther P5 and the P88. The P99 is a short recoil-operated locked breech semi-automatic pistol that uses a modified Browning cam-lock system adapted from the Hi-power pistol. 瓦尔特P99是由德国卡尔·瓦尔特公司制造的半自动运动手枪,用于取代瓦尔特P5和P88在执法单位和平民射击市场中的地位。P99是一支短行程闭锁后膛半自动手枪,采用改良自大威力手枪的勃朗宁突轮锁系统。