Truglo Magnum Gobble-Dot Xtreme Sight Set Fits Most Popular Shotguns Magnetic 3/8" Rib

FEATURES: • 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. Fits: 3/8" rib width fits most Mossberg Weatherby Winchester (excluding SX3) and popular 10 ga. models.