These CNC machined, hardcoat anodized, 6061 aluminum side Picatinny rails give HTA 90/22 users a rock solid attachment point for auxiliary accessories. Utilizes existing HTA 90/22 hardware. As an added bonus, a QD swivel pocket for attaching slings is machined into the end of each rail. Rails are reversible, allowing QD mounts to be installed in the front or back of rail. *QD swivel not included. Made in the USA and covered by HTA's limited lifetime warranty.