Adding an affordable reflex sight to your Buck Mark pistol will be something you will enjoy instantly, and we know by experience, all the family will love it too. Easy to acquire the target. Less difficult for new shooters. This little sight is packed with advantages. Features: 4 reticle patterns - circle-dot-cross reticle, 3 MOA dot reticle, cross-dot reticle, circle-dot reticle 7-position brightness rheostat