Rock River Arms LR1297 LAR-PDS Carbine 223 Rem,5.56x45mm NATO 16" 30+1 Black 6 Position Side Folding w/Storage Compartment Stock

RRA LAR-PDS Carbine is one of a new generation of firearms employing RRA s patent-pending Piston Driven System (PDS). Featuring a purpose designed bolt carrier, an adjustable gas piston and an over-the-barrel spring and guide rod arrangement, the RRA LAR-PDS is able to completely do away with the traditional recoil system associated with AR-style firearms, making for an extremely versatile weapon platform.