sistema de tambor intercambiável e método

An interchangeable barrel system and related method for a pistol includes a barrel insert having an anti-rotation protrusion and a receiver having a complementary configured socket configured for receiving the protrusion. An embodiment of a barrel insert includes a chamber for holding a cartridge and a locking mechanism configured for releasably securing the barrel insert to the receiver. In some embodiments, the locking mechanism comprises a threaded engagement between the barrel insert and receiver. The system allows barrel inserts of different calibers, configurations, and materials to be swapped with the receiver, and vice-versa.