LWRC ICDIP5B10ML: LWRC International LLC LWRCI-di The LWRCI(TM) Di is made with the same craftsmanship and design excellence that comes with every LWRCI(TM) firearm. Built from the ground up to be more than just another direct impingement rifle the LWRCI(TM) Di delivers the quality every rifle enthusiast demands with innovation that\'s expected from LWRCI(TM). Our innovative \"keyless\" bolt carried design combined with an operating system that is time-tested makes the Di the perfect addition to the LWRCI(TM) lineup. And since the ambi lower receiver is compatible with the rest of our IC family you can upgrade your Di to our flagship piston-driven IC just by switching out the upper.