Six-position adjustable mil-spec M4-style stock. TrakLOCK System eliminates horizontal and vertical movement of the stock on the buffer tube; provides smooth secure stock adjustments and eliminates the need for secondary locking mechanisms. No snag points. Dual sided QD attachment points. Adjustable comb. Glass reinforced polymer construction. No buffer tube included; will accept a military buffer tube. Manufactured in the USA. Fits most AR-15 variants. Note: Does not fit AR-10 or .308 variants.