The MRE kit is created to function with M4 carbines, and accommodates a fixed A2 entrance sight tower with carbine size gas procedure. It extends earlier the front sight base, delivering additional rail House to the mounting of tactical add-ons. Includes a few KAC 11 Rib Rail Panels. The SaniSure® https://marcofrbkt.laowaiblog.com/26334445/the-definitive-guide-to-kac-ras-rail