The MRE package is intended to get the job done with M4 carbines, and accommodates a set A2 front sight tower with carbine duration gas program. It extends previous the front sight foundation, supplying additional rail space to the mounting of tactical add-ons. Features three KAC 11 Rib Rail Panels. https://spencerncnzj.theobloggers.com/32594366/5-easy-facts-about-kac-ras-rail-described