P50-44
44 Rem. Mag., 25-20 Win, 256 Win. Mag, 310 Cadet, 35 Win. S. L., 357/44 B&D TC, 38-40 Win, 41 Rem. Mag., 41 Long Colt, 44 Spec., 44 Russian, 44-40 Win., 45 S&W Schofield, 45 Long Colt, 45 Win. Mag TC., 460 Rowland
AAA batteries
Max. OAL= 1.86"