I have a hw100sk in .177 purchased on the 17/10/2013 has a kt.i recently sold the kt stock and bought a virtually brand new sporter stock for the rifle.i also sold the original cyclinder and bought a brand new a@m custom cyclinder on the 16/03/2014.i have the receipts for the rifle and cyclinder.the rifle is in mint condition and asking price is £550 collection only