Precision machined with maximum strength Four mil-spec Picatinny rails for versatile accessory applications Simple and friendly installation No gunsmith or tool required Interlocking system with quick fit features Includes a special slot to accommodate rear iron sight Specially designed groove rail top for optimal viewing through front sight 33 top slots, 25 left and right side slots and 6 bottom slots A complete and most affordable tactical solution offering endless options of scope, flashlight, laser, bipod, foregrip on your favorite 10/22 rifles Great zero-retention capability for all accessories installed on the rails Intensively tested by field experts under extreme heat and sub-zero temperature and demonstrates most satisfactory performance Hard anodized finish for wear resistance Includes 14 PCs UTG rail guards included for great comfort and protection