Claim: From 1948 to 1954, the discontinued versions of the Remington Model 721, which refers to sporting rifles manufactured by Remington Arms, were the customizable 721A and 722A.
Evidence: 1948 721A, 722A 1949 721A, 722A 1950 721A, 722A 1951 721A, 722A 1952 721A, 722A 1953 721A, 722A 1954 721A, 722A 1955 721A, 722A 1956 721A, 722A 1957 721A, 722A 1958 721A, 722A 1959 721A, 722A 1960 721A, 722A 1961 721A, 722A