DD4 RIII - Featuring the RIS III Rail
This guide details the installation of the Daniel Defense RIS III rail system and highlights the features of the DD4 RIII's ambidextrous lower receiver. The RIS III offers M-LOK modularity while maintaining the robust mounting interface of the RIS II, and the ambidextrous controls enhance operational efficiency. Expert instruction from Guns & Ammo editors Joe Kurtenbach and Tom Beckstrand emphasizes practical application and design improvements.











