I will most probably leave it as is, as like I said I'm not overly worried about the power to much but it would have been nice to have it around the 11ftp mark, I expect if the rifle was .22 then it would be around the 11 mark, I may try turning the ram around to see what happens but it has a proper machined end piece that the main ram body slots into and that has the rear pin and screw going into it at the end of the cylinder, it's a shame you can't get the Quickshot rams, pistons and triggers over here as I recon they would transform Gamo rifles.
Pete