Anyone have any tips on Identifing restored from original M-1 I have a Standard products, that appears to be 100% correct including a 1943 dated sling with an apropriate amount of wear but very tight and trigger group etc does not seem to have been worked on. No arsenal marks or remarks only the original stamps. Any tips would be helpful Seems to god to be true, I have checked it against the ref. and all parts are corrrect for the ser. # and date.