Turn your P320 into a PDW. Just move your 320 FCU and complete slide over and you are ready to go. The MP320 CALX kit is compatible with any non-manual safety P320 FCU and slide assembly and includes a polymer lower, a specialized brace, an alloy upper assembly, a 30rd magazine and a ROMEO5X red dot optic. There were only 800 units manufactured. This is brand new in the box. Photos with silencers are stock photos. Also open to trades.