The TruGlo F.A.S.T. Shotgun Sights are designed to enhance your shooting accuracy with their advanced Focus Assisting Sight Technology. These sights feature a bright red fiber optic front and a green ramp-style rear for quick and precise target acquisition. Made with a durable polymer frame they are suitable for most 12 and 20 gauge shotguns with ventilated ribs. With adjustable elevation and windage these sights are perfect for a variety of shooting activities including turkey hunting target shooting and using slugs or buckshot. The front fiber optic diameter of 0.060 ensures visibility in various lighting conditions making these sights a reliable choice for any shotgun enthusiast.