A recoil reducer device for use with a firearm is provided, that is movable between a rest position and a recoil position. The recoil reducer device includes a firearm stock, including a first stock member having a first stock member cavity, and a second stock member having a second stock member cavity. A recoil reducer is receivable in the first and second stock cavities. The recoil reducer includes a shock absorber including a housing and an axially movable plunger. A slider is provided that includes a first slider member fixedly coupled to the shock absorber, and a second slider member movable with respect to the shock absorber and first stock member. A base member is fixedly coupled to the second slider member and a magnet that is magnetically coupled to the base member.