Enhance your competition or training pistol with XS Sights Glock Fiber Optic Sights precision CNC-machined, serrated rear sight paired with a durable steel front sight and a bright, user-replaceable fiber optic insert for fast target acquisition, precise alignment, and easy installation. Made in Fort Worth, TX and compatible with Glock Gen 1 5 (including MOS models). Product Details Fits: Glock 17, 19 ,22, 23, 24, 26, 28, 27, 31, 32, 33, 34, 35, 36, 38, 39, 45, & 47; Sight Position: Front and Rear Front Sight Color: Green Material: Steel Shipped Accessories: Insert with instructions; replacement orange fiber rod Fitment: Fits Glock Gen 1 5, including MOS models Made In: CNC machined in Fort Worth, TX User Serviceable: Fiber optic insert is user-replaceable Performance: Serrated rear sight reduces glare for improved front-sight focus and rapid acquisition