There was a third generation design change on the primer feeder effective October 27, 2011 eliminating nuisance damage to the primer sliders and trough cover during operation. Formerly the white cover and trough, now sold as an assembly along with the primer slider, primer lever, 6-32 x 1/4 screw and o-ring. This assembly replaces parts: LM3252, LM3247A , LM3247B and LM3251
