Quote Originally Posted by Hsing-ee View Post
Once you have the spring and piston isolated with bearings, you need to look at isolating the barrel. The inertia of the pellet causes the barrel to twist in the opposite direction to the 'handedness' of the rifling, the only solution is to allow the barrel to rotate relative to the cylinder. I think it was Diana that used to sell one of its match rifles with a barrel set at both ends with bearings inside an outer shroud, the barrel would rotate slightly on firing to compensate for the pellet's twisting force.
M8 thats going a little too far..LOL,

I think a bearing on the rear spring guide, really is as far as we need to go...