TruGlo Glo Dot Xtreme TG. S. and other markets so you can be sure that you are buying authentic Tritium & Fiber Optic Night Sights with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for TruGlo Tritium & Fiber Optic Night Sights. We are an authorized supplier to all government Military and Law Enforcement institutions and can facilitate volume orders on thousands of Tritium & Fiber Optic Night Sights and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses Features of TruGlo Glo-Dot Extreme TG90X: Fits all ventilated rib shotguns. Extremely low profile. Easy magnetic installation. Includes multiple interchangeable fibers in different colors. Includes 4 different sized mounting bases. Now includes 2 sets of magnets. Includes carrying case. Fiber diameter is .060". Endorsed by Patrick Flanigan Professional Exhibition Shooter and World Record Holder Package Contents: TruGlo Glow Dot Xtreme TG90X Specifications for TruGlo Glo Dot Xtreme TG90X: Manufacturer: TruGlo Front Sight Color: Assorted Color: Black Fabric/Material: Metal Front Material: Fiber Optic Gun Type: Shotgun Package Contents: TruGlo Glo Dot Xtreme TG90X TruGlo TG-TG90X: Glo Dot Xtreme