Manufactured in February 1942, two months after the United States' forced entry into World War II, then subsequently transferred to Britain as a part of the Lend-Lease Act, which saw the United States shipping large amounts of supplies and arms to support the beleaguered Allied European nations. Features a winged blade front with retained screw cap and "flush nut" rear sight assembly, narrow-base gas cylinder with cross-slot plug, unmodified "D35382 3 SA" marked operating rod, short fork follower rod, "8" marked follower, and "D28287-2SA/RE2" bolt. The barrel is marked "S-A-1-1-42" and with British proofs on the right of the chamber under the operating rod, with bright chamber. The trigger housing is marked "D28290-5-SA," with a "C46008-2 SA" hammer, "C46015-6SA" safety, and "C-46026-3-SA" milled trigger guard. Fitted with a smooth pistol grip stock bearing a boxed "S.A./G.H.S." (Col. Gilbert H. Stewart) inspection cartouche and small crossed cannons ordnance wheel stamped on the left of the wrist, a circled serif "P" proof on the underside, along with arched profile lower band and single-grove milled rear handguard clip. Includes an unmarked M1907 style leather sporting sling.