MAGNUM GOBBLE•DOT™ XTREME SERIES Each model easily snaps over rib without need for screws.Front diameter is .060”; rear diameter is .035”.Endorsed by the National Wild Turkey Federation. Each model easily snaps over rib without need for screws. Full windage adjustment (Adjustable Model only). Front diameter is .060"; rear diameter is .035". 1/4" fits most Remington; Browning Gold (camo) and Charles Daly. 3/8" fits most Mossberg; Weathe
