SN: NSN. 1950s vintage, 20 gauge with a 24″ ported barrel w/poly-choke chambered for 2 3/4″ shells. Bore is excellent. Bolt-action field shotgun with blued finish, and wood stock with a 13.5″ LOP. Finish has turned to an even brown patina with minor loss & stock show moderate marks. Overall condition is good.