Products tagged with https://cdn.webshopapp.com/shops/44381/files/382260200/bps-342.jpg

CNC Steel version of the variable mass piston body, for extreme mass configuration (55.1 grams instead of 19.0 grams for the aluminium version).


Compatible with:



– original SRS piston (SBA-BPS-13)

– original TAC-41 piston (SBA-BPS-30)