The MRE kit is intended to get the job done with M4 carbines, and accommodates a fixed A2 entrance sight tower with carbine duration gas method. It extends earlier the front sight base, giving additional rail Area for the mounting of tactical add-ons. Involves three KAC 11 Rib Rail Panels. https://edgarboyir.losblogos.com/26318236/how-knights-armament-rail-can-save-you-time-stress-and-money