BSA Pin & Screw Fitting Rearsight Elevation Wheel.
Plastic adjustment wheel.
For elevation screw see: Part No. 162223 - See Related Products at the bottom of this page.
This spare fits the following models:
Airsporter Mk 5
Airsporter Mk 6
Mercury Mk 1
Mercury Mk 2
Meteor Mk 3
Meteor Mk 4
