The MRE package is intended to work with M4 carbines, and accommodates a hard and fast A2 entrance sight tower with carbine duration fuel process. It extends past the entrance sight base, supplying supplemental rail Area with the mounting of tactical equipment. Contains a few KAC 11 Rib Rail Panels. https://kac-ras-rail41740.vblogetin.com/32173090/the-kac-rail-diaries