I cut the barrel down a bit on the RWS 3500. It came at 19.5", and I cut it to 16".

It just felt too long and front heavy. So I broke out the hacksaw, file, sanding block, and bluing pen, and went to work.

Here's the result,
[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]


Accuracy seems the same with the 14.3gr. The 18.13gr JSB tightened up significantly.

Both pellet weights gained some speed.

14.3gr Crosman - 857 fps (+ 37)
18.13 JSB - 750 fps (+30)