New to this site and planning on getting research letter. Inherited from my father a LC Smith 12 ga, 32" barrels, hammers, serial # 173567 F, and planning on cleaning it up. Hunter Arms Co stamped on rib and LC Smith on side plates. Looking up serial # in tables, found it listed in 1914 and 1939. Wondering what is mfg. date for this gun, what type of barrels, and if firing pins can be obtained and are they standard or different by mfg date? Not sure if photos uploaded? Thanks