I've got one, a Carbine in .22 it was made in 1994 (send serial no. off to Webley and they should let you know year of Manufacture)
Its pretty basic, i've got a Webley Pro Silencer on it along with a Simmons Scope...its very powerful & accurate, and I dont struggle with it at 10-15-20-25-30meters...
Just paid £85 for mine, and after a little TLC last night, here it is;