The Advanced Technology Int. Strike force 10/22 Stock fits most Ruger(R) 10/22(R) Rifles. (Will not accommodate rifles equipped with bull barrels.) It is an Adjustable Side-Folding TactLite Stock. The side folds to the left of the receiver and can be fired from a folded position. The TracLock System eliminates horizontal and vertical movement of the stock on the buffer tube. Its removable/adjustable cheek rest system is an elongated design to fit all users and it includes a short cheek rest with 1/2 of adjustment. The X Series Thin Recoil Pad is non-slip and removable and the X1 Style Pistol Grip has a Sure-Grip texture. There are four forward Picatinny Rail locations: One 4 Picatinny Rail Two 2 Picatinny Rails and One 2 Swivel Stud Picatinny Rail with blank covers for when rails are not in use. There is additional ventilation in forend and top cover slot for a tactical sling attachment and two sling swivel studs. Made in USA.