BSA Airsporter & Mercury Piston Head Plastic Part No. 162331P

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