Self-loading pistol

A self-loading pistol comprising:

• a frame having lateral surfaces and an upper side extending in a longitudinal direction, the frame on the upper side including a carriage guide that extends in the longitudinal direction, wherein
• the carriage guide at least partially receives and/or guides a carriage and a barrel with a cartridge chamber,
• the barrel is at least partially received in the interior of the carriage,
• the carriage can be moved in the carriage guide between a front end position and a rear end position,
• the carriage in the carriage guide closes the barrel in the front end position and
• the carriage in the carriage guide opens the barrel in at least the rear end position,
• and wherein the frame includes
• a carriage catch lever for locking the carriage,
• a trigger that is movable relative to the frame and
• a grip with a magazine well,
• and the pistol includes a shoulder stock, wherein
• the frame comprises a receiving device, which is connected to the frame, extends the frame by the length of the carriage motion into the rear end position, and comprises a part of the carriage guide and at least partially receives the carriage in the rear end position, and
• the shoulder stock can be connected to the receiving device by a holding device.