TruGlo Fat Bead Shotgun Sight 3MM Red TG. OpticsPlanet is an Authorized US Distributor for TruGlo Gun Parts. The TruGlo Fat Bead Shotgun Sight 3MM Red TG948ER is a great way to make sure you have a great advantage in the field. This Illuminated Night Sight from the experts at TruGlo is the industry standard for shotgun sights and has served shooters well over the years. The TruGlo Red Fat Bead Night Sight is built with a light-gathering fiber optic rod that provides increased nighttime visibility. This Tru-Glo Illuminated Weapon Sight has a fiber diameter of .078" and fits shotguns with a 3mm thread size. For a great way to make sure you are using some of the best equipment the shooting industry has to offer choose the Tru-Glo Fat Bead Firearm Sight. Specifications for TruGlo Fat Bead Shotgun Sight 3MM Red TG948ER: Manufacturer: TruGlo Color: Red Diameter: 0.078 in Package Contents: TruGlo TG948ER Fat Bead Shotgun Sight 3MM Red We offer the complete line of TruGlo Gun Parts. For our complete selection of products by TruGlo on sale please visit our TruGlo page. For more Gun Parts please visit our Gun Parts store section. TruGlo TG-TG948ER: Fat Bead Shotgun Sight 3MM Red