This is the original SnakeSlayer which is the ultimateconcealable .410 shotshell/.45Colt pistolfor people that need a larger grip. Theextended grip provides extra comfort withoutdetracting from concealability. TheSnake Slayer will accept all the extrainterchangeable barrels. 3 1/2? barrel. Interchangeable Barrels. Automatic Extractor. (EXCEPT FOR 9mm,40S&W,10mm and .45 ACP). Rebounding Hammer. Retracting Firing Pins. Crossbolt Safety. Spring-Loaded Cammed Locking Lever. (for a tighter barrel/frame fit and Rapid loading and unloading). Trigger guard. Stainless Steel with Satin Polish Finish.