Truglo TG941XC Magnum Gobble-Dot Xtreme Beretta AL390, AL391 Urika, A391 Xtrema, A400 Xplor Unico KO Fiber Optic Red Fiber Optic GreenTruglo's Magnum Gobble-Dot Xtreme easily snaps over rib without need for screws. Endorsed by the National Wild Turkey...