Quote Originally Posted by where's it gone View Post
Interesting thread. Many years ago, I took a HW77 to a RFD to replace the spring and so called tune up. When I collected the rifle, the power was explained as ' it now shoots to page X in the yellow pages, where it only shot to page X before.'
My, how things have changed.
Hah! That's exactly how teenaged me tested air rifles. Out of interest when I became a grown up and had an HW77 that I knew was doing 11.4 with the pellets I had I fired it into a yellow pages. Fair to say my teenage owned guns were well under the limit.