Adjustable BSA Scorpion piston head made in Stainless Steel for the BSA Scorpion air Pistol or the Buckaneer air rifle. Easy fitting with a round nut with a hole in it so you can use a pin to hold the...

Adjustable BSA Meteor piston head made in Stainless Steel for the the later O ring type BSA Meteor (MK 3 on) air rifle that has an O ring Piston Head. These are adjustable for stroke and fit. For maximum...

Adjustable BSA piston head made in Stainless Steel for the Early BSA Meteor (MK 1 & 2) air rifle that had a leather washer. This has the similar fixing for the leather type washer but is supplied with...