Cheely Custom 3rd gen scope mount for the C-more RTS2/STS/Vortex Razor and the Sig Romeo3 XL and Romeo 3 Max. Places the scope on the centerline of the pistol when mounted on a .830″ classic width dustcover. Available in silver or black anodized aluminum. Cut from a solid piece of billet. Limited Lifetime Warranty. Drill pattern is the standard 5 holes @.375” spacing. Includes 5-40 screws to mount to your dustcover.