Replacement exhaust valve housing for the P15 / P35 bases series of air rifles.
Marketed under the following names:
AR+
Diana Skyhawk
SMK Victory
SPA
Artemis
Greyhound

Also fits Stoeger XM1 Bullpup

Please note: porting on this part now comes through BLANK. It has a detent where you need to drill to make your port. Different porting may give different power output, please observe local laws and regulations with regards to power settings. High power porting is usually 5mm