A mid-20th century American bolt-action rimfire rifle manufactured by O. F. Mossberg & Sons, Inc., New Haven, Conn. U.S.A., identified as Model 46M-B. This rifle is chambered for .22 S-L-LR ammunition, indicating compatibility with .22 Short, Long, or Long Rifle cartridges. It features a reddish-brown hardwood stock and blued steel components, with a tube-fed magazine.









