Quite a rare little pistol with an intresting unusual cocking mech.ive made and fitted a leather piston washer as there wasnt one when i acquired it also replaced the mainspring which was broken.now fires but will improve in time when the new washer has bedded in.ive tested with a couple of brands of pellets seems to prefer the older brands like milbro caladonian.please study the pics .the left grip has a gouge in it ive tried to show in pics.i will post to you uk mainland only for £12