i now you can use lasers for range finders just dont now any more than that where would i have to mount it on my gun what sort would i have to get and how would it all work etc.and would this do the job http://www.ebay.co.uk/itm/Deben-Hawke-Scope-Mounted-Tactical-Air-Rifle-Laser-Kit-/360314127623?pt=UK_SportingGoods_Hunting_ShootingSports_ET&hash=item53e4654507
regards
hugo