Weaver's precision-built all steel bases are machined to tight tolerances for a custom fit and a square-cut notch mates to the sturdy cross bolt in every Weaver Detachable ring. Custom hardened fastening screws included. - Fits: - Marlin Models 9 45 30AS (AW) 36 62 93 336 336C 375 444 1993 1894 1894 Cowboy 1895 Glenfield 30 Zane Grey Camp-9 Carbine 9222M 989 & .22 Auto Rifle