My mother was doing some house cleaning and found my granpa's old rifle buried in the back if the attic. Needless to say I was extremely excited at the find, it is a Enfield M1917 rifle made by Winchester in 1918. I doubt it's been fired in over 30 years and was wondering if there is anything I should know before cleaning it up and taking it to the range(I can't stand owning a rifle I haven't fired). Externally the finish is in good shape and there isn't any rust anywhere on the rifle, the bore is also nice and shiny. I am also a little fuzzy on whether or not the headspace would need to be checked or is that a non-issue?
It's the one on the right