All kits have been gone over at the Sig Sauer factory and have been certified to be in 100% working order. All of the safety parts are upgraded, drop safe, parts.
The modular P320 allows you to select any of several centerfire calibers. Just disassemble the pistol and reassemble it with the X-Change Kit's barrel/slide assembly, grip module, and magazine. Not compatible with manual safety models of the P320.
Magazine Capacity Restricted States will have limiter added.