Main valve stem spring for the Brocock Compatto and Bantam air rifles.
Please note this part is only suitable for the original versions of this airgun.
It is not suitable for the mk2 versions. If your rifle is a MK2 it will say it on the action.

Available in standard UK 12ftlb spec or FAC high power spec.
Please select the part required based on your rifle spec. The FAC spring will not fit directly into a UK 12ftlb spec gun.