Perun for P90 replaces trigger bar and mechanical contacts in your P90 replica and provides lots of useful features.
 
Magnetic sensors coupled with a magnet installed directly on the trigger, allow to remove the bar that connects trigger with the gearbox, making trigger pull much smoother. Proprietary cut-off lever (comes with the mosfet) works with an optical sensor to eliminate all problems with single fire function.
 
Replicas compatible with this mosfet are models made by: Tokyo Marui, ACM, Asia Tactical, Classic Army, Cybergun, CYMA, Double Bell, J Tactical, JG. King Arms’ P90 and Novritsch’s SSR90 are mostly compatible, but require certain modification. Perun for P90 is incompatible with G&G and Krytac P90’s.