Receiver manufactured March 1941. "S-A 3-41" marked barrel, "-2SA" bolt, "D-35449-SA" marked gas cylinder, "-2-SA" trigger housing, "-1-SA" trigger guard, "-2 SA" hammer, "-6SA" safety, "2 SA" unmodified operating rod, boxed "O.G" Ogden Arsenal post-war rebuild cartouche stamped on the left of the stock with a "P" proof and small crossed cannons cartouche stamp on the bottom of the pistol grip along with a small "c". Fitted with a green canvas web sling. Absent stacking swivel on the gas cylinder.