US Patent 11959716 Pistol with optimized chassis anchoring

A pistol is disclosed, including a body made from synthetic material having a channel formed inside the body. A slide is guided in a longitudinal direction of the body, the slide including a barrel and a breech. A single-block chassis having an elongated shape extends from a central portion of the body to a rear end of the body. The chassis further includes guiding elements for guiding the slide. The pistol is configured such that the channel is designed to receive the chassis removably, and the chassis is fastened to the body using a formfitting, sliding connection.