The Advanced Technology Int. Strike force SKS Stock is a six-position adjustable side-folding TactLite stock that folds to the left of the receiver. It fits SKS Rifles. (Minor modification may be required in some cases. Blade bayonet must be removed.). The TracLock System eliminates horizontal and vertical movement of the stock on the buffer tube and provides smooth secure stock adjustments. It has a dual sided QD attachment point and a removable/adjustable cheek rest system that has an elongated design to fit all users. 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.