Ruger #1's I have owned: 1AB in 222 Remington (3-digit Serial #, not catalogued) 1V in 6mm Remington, 1B in 6mm Remington, 1AB in 270 Winchester, 1AB in 7x57, 1A in 7x57, 1AB in 30-06, 1B in 30-06, 1B in 7mm Rem Mag, 1H in 375 H&H Magnum. Ruger #1's that I regret letting go: 1ABs in 222, 270, 7x57 & 30-06. They are hard to find nowdays, since them whose got 'em are keepin' 'em!! Regards, Eagleye.