The FAB Defense GLR16 folding collapsible buttstock for the AK-47 rifle gives you the adjustability of an M4 style stock and the compactness of a folding stock. The unique receiver block expands to fit most stamped receivers. The stock extension and folding mechanism is constructed of durable lightweight polymer. The GLR16 stock features dual QD sling sockets and a water-tight storage compartment for batteries or accessories. The stock has 6-positions of adjustment and will also accept an adjustable cheek rest.