Command Arms 6-Rail Aluminum System for Long M16/AR15/M4

This exceptional design allows you to fit numerous mission-specific accessories such as forearm grip, bipod, flashlight and others, on any of the 6 Picatinny/Weaver Rails. Specifically designed and manufactured to give a 100% secure fit that does not restrict barrel movement.Constructed of billet aviation grade aluminum using CNC machinery A 7th adjustable rail may be added (Sold Separately)Easy to fit. No Gunsmithing required. Accompanied by 2 Long & 6 Short heat-resistant rail covers. LIFETIME WARRANTY