MP9 and TP9: A Complete History From Steyr to B&T
This video details the history and technical evolution of the B&T MP9/TP9, tracing its origins from a Steyr project. Key improvements by B&T include the addition of a stock and the adoption of a standard Picatinny rail. The firearm's unique rotating barrel, short recoil operation, and innovative bolt manipulation feature using a 9mm cartridge are highlighted.









