The Swiss give us a super tiny PDW, the B&T TP9 / Steyr TMP
This expert guide details the maintenance requirements for the B&T TP9 when used with a suppressor, particularly during suppressed full-auto fire. The video highlights that carbon buildup can cause the weapon to seize after approximately 13 magazines, necessitating cleaning every 300-400 rounds. It also covers ergonomic considerations, sight recommendations, and the trigger's performance.













