RIS III Rail 9.5" Black Stocks/Braces While the GEN M3 is

While the GEN M3 is optimized for Colt-spec AR15/M4 platforms

thanks to its no-chafe fine-weave headband and moisture-wicking Breathe-O-Prene(R) forehead pad

RIS III Upper Rail Is Fully Compatible with RIS II Lower Rail

remote activation for any X-series Weapon Light (X200

RIS III Rail 9.5" Black Stocks/Braces While the GEN M3 isThe Daniel Defense RIS III Rail Interface System takes the proven design of Daniel Defense's two piece RIS II rails used by U. S. Special Operations Command (SOCOM) since 2006 and reduces weight while adding versatility by utilizing M LOK attachment. You get the same proven free float barrel design, durable aircraft grade aluminum construction, and an uninterrupted upper rail platform with Mil Spec 1913 rail of the RIS II. But you also get multiple M