For flexibility in optic mounting, the XS Sight Systems Lever Rail system is the answer. Made from durable aluminum with Picatinny slots and a hard anodized finish, the Lever Rail allows precise eye relief adjustment with any optic. It's compatible with conventional scopes, scout scopes, and red dots. Expand your S&W 19854 .44 mag scope mount options with the XS lever rail. Enhance your sighting options by choosing the Lever Rail with Ghost Ring and White Stripe sight set for added flexibility in any hunting environment. The Lever Rail sight system offers a .191" aperture diameter for lever rifle replacement sights. The aperture offers enhanced precision and is perfect for bright light scenarios, while also offering sufficient light transmission in dusk/dawn hunting situations. FeaturesPicatinny spec rail allows for scope or red dot mountingGhost ring rear is adjustable for windage and elevationWhite stripe front sight is high contrast against all backgroundsLightweight aluminum rai...