I watched Harry P while he changed mine and he did say there was a right and wrong way of fitting it, slight variation from one end to the other.
HW 77 V glide kit by Steve Pope
8-40x56 Custom Shop.
HW 101. Big Nikko. Ginb FT Stock.
Webley Omega, Gas Ram.
Rohm Twinmaster Trainer.
Red Dot Sight.