For flexibility in optic mounting, the 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 Henry 45-70 scope mount options with the XS lever rail. Kit Includes: lever rail, front sight, rear sight, aperture, screw kit, pillar assembly, blue thread locker, insert with instructions