Quote Originally Posted by Hsing-ee View Post
Who used to make CO2 conversions of springers, like the Webley Premier? Has anyone done a prewar BSA underlever or similar? How much work is involved in these? Must be a drop in unit sealed with 'O' rings, no?
Not CO2, Alistair, but this BSA underlever was turned into a PCP quite recently.

What goes around comes around.