Manufactured in 1919. The U.S. Bureau of Alcohol, Tobacco, Firearms, and Explosives has this rare trapper carbine listed by serial number as being removed from the NFA (National Firearms Act) and classified as a curio and relic (see page 41). Fitted with a pinned blade front sight, folding ladder rear sight graduated to "20," and saddle ring on the left side of the receiver. A Winchester factory oval proof is stamped on the barrel and receiver at the breech.