Fall 2026 Militaria and Aviation Auction
Lot 197:
Description
WWII U.S. Army Air Forces Type O-1 .50 Caliber Aircraft Machine-Gun Ammunition Box for Browning AN/M2 Bomber Defensive Gun Positions Offered here is an original World War II U.S. Army Air Forces Type O-1 ammunition feed container, the compact metal box engineered to supply belted .50 caliber ammunition to the Browning AN/M2 aircraft machine gun. The Type O-1 pattern is associated with the ANM2/M3 feed-container family used aboard American heavy bombers of the war, and this example displays the general form, dimensions, and construction expected of that type. No legible maker’s stamp, drawing number, or contractor code is visible in the accompanying photographs, and no separate published history attaches to this individual box – its story is told through its form and function rather than a documented provenance. Boxes of this pattern were fitted into the tight gunnery stations of American bombers, including ring mounts, nose and cheek positions, and waist or hatch gun stations aboard aircraft such as the Boeing B-17 Flying Fortress, Consolidated B-24 Liberator, and Douglas A-20 Havoc. Holding a working belt of roughly 30 to 50 rounds, these compact containers were designed to sit close to the gun without crowding the gunner, allowing rapid changeover under fire during the high-altitude daylight raids over occupied Europe and across the wide expanses of the Pacific theater. Every riveted seam and stamped inspection hole reflects the wartime demand for lightweight, durable ordnance-handling equipment able to withstand vibration, extreme cold, and combat stress while keeping a gunner’s weapon fed. The box has a galvanized-metal finish over a riveted sheet-steel body, with a fitted top cover, integral tubular carry handle, and a central latching clip that remains functional, allowing the hinged lid to open and close. Side brackets for mounting within a gun station are present along one face, and the opposite end panel shows the characteristic vertical row of stamped inspection/indicator holes associated with the type. Reinforced riveted seams run the full height of the body. No additional accessories, inert ammunition belts, or paperwork accompany this lot; the box is offered as the sole item pictured. Condition is fair to good for its age, with surface oxidation and light rust visible on the steel fasteners and latching clip, and general scuffing and patination across the galvanized panels consistent with long service and storage. The structural frame, top cover, mounting brackets, and handle remain intact and appear functional, though operation has not been tested. A sturdy, display-ready survivor of the humble but essential hardware that kept American bomber gunners firing through the skies of the Second World War.
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