Firing tables. Firing tables for gun, 37-mm, M1916 on subcaliber mounts, gun, subcaliber 37-mm, M12, M13, T34 and T36, shell, fixed, practice, M63-mod. 1 (1.58-lb.), fuze, base, practice, M58, muzzle velocity, 1100 F/S; [May 4, 1944].