Your rifle was converted from the wartime no 4 Mk1 to the Mk2 standard, trigger not hung from the trigger guard but the body. Subsequently Fultons in the UKicon, a company noted for its quality work on LE rifles for competition use, worked on it to prepare it for competitions in the UK. Thus the target rear sights, expensive in their own right. Barrel could be a wartime two groove or newer. Two groove should be just as accurate as the five groove barrels.

All other things being equal, such as mentioned in the previous post, it should be a good buy.

More photos would result in a better answer, eg the swivel on the trigger guard was added for competition use. Full length of both sides, bore photo, right side of the action, bolt handle bottom, etc.
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