The MRE kit is made to do the job with M4 carbines, and accommodates a fixed A2 front sight tower with carbine duration fuel procedure. It extends previous the front sight foundation, supplying more rail Room to the mounting of tactical accessories. Involves a few KAC eleven Rib Rail Panels. https://kylerxkvel.izrablog.com/27086765/helping-the-others-realize-the-advantages-of-kac-rail