Quote Originally Posted by Collieman View Post
I checked my Improved Model D at 5.9ftlb (612ft/s 0.177) with RWS Hobby pellets.
Thanks, confirmed what I expected. This one is doing 5.6, want to see if different type seal will improve it. If I buy it, may invest in the correct replacement flat coil spring from John Knibbs as it seems to have an old spring in it.

Baz