Thanks for reply, I will do some searching.

I managed to find the cannon, it had just been posted as a response so unsure if it was actually theirs.

I have searched but been unable to find it, the member used a larger QEV which was piloted by a smaller Humphrey QEC, anyone remember the users name or a link to his thread?

Thanks Ian

When ever I want to purchase barrel tube I can get whatever size o.d with a given wall thickness, this is fine as I can calculate what size I need. I can get either metric or imperial barrel and tube and ball bearings. But tolerances/innacuracies never seem to go in my favour, I could buy 10mm inter...

Once again stunning!!!!

Can I ask when wax coating the balll bearings how do you get consistent coverage and no flat spots? Only way I thought was using a fine mesh.

Many thanks, Ian