Side and bottom rail for the SR-22® and the SR-556E™ in black finished aluminum. Includes installation instructions and all installation hardware. Made in 3" Side/Bottom tactical Rails: Attaches to the Ruger Hand guard. Allows flashlights, lasers, vertical hand grips and more to be attached to the Ruger SR-22® and SR-556E™ Rifle. All Ruger tactical rails are made to Picatinny Rail specifications allowing the use of military or weaver style mounts and attach to the SR-22® and SR-556E™ hand guard using the tapped screw holes already provided. Side and bottom rail for the SR-22® and SR-556E™ in black finished aluminum. Includes installation instructions and all installation hardware. Made in the USA.