Description
BSA Airsporter & Mercury Piston Head Plastic.
Original BSA Plastic/Nylon Piston Head.
This spare fits the following models:
Airsporter Mk 3
Airsporter Mk 4
Airsporter Mk 5
Airsporter Mk 6
Airsporter Mk 7
Airsporter Stutzen
Airsporter S Carbine
Airsporter S Mk 3
Mercury Mk 1
Mercury Mk 2
Mercury Mk 3
Mercury Mk 4
Mercury Challenger
Mercury 635 Magnum
