Hi Archie,had a problem with my R-10 last week it had lost 1 ft/lb in power but was still very consistent,on tuesday i sent it to john bowkett who had done all the work on it ,got a phone call tuesday evening saying the rifle was fixed and he had made a few more tweeks at no charge,and i would get my gun back wednesday morning he even offered to pay for my postage cost which i declined,Top bloke