This hammer extension fits All Marlin lever actions made in 1983 or later” including 39A” 39M” 1984″ 1984C” 1985S 336C” 336T” 375″ 444S and Glenfield 30A. Slips over hard-to-reach or hard-to-cock hammers for extra leverage.
Uncle Mike’s Hammer Extension, For 1983 & Later Marlin Models, Black 24580