SN: 80-00610, Modern production, 5.56 NATO with a 16" threaded fluted barrel with 3-prong muzzle brake. Semi-automatic tactical rifle with "Molon Labe...
NSN, circa 1918, .30-06, 31" round barrel. Metal has started to thin to a brown patina, receiver has standard WWI markings with "CAL 30.06" and "Eagle...