AR/M4 7" Carbine Length Drop-in Rail Systems guarantee precise fitment with your Mil Spec Standard AR/M4 upper receiver. This accessory rail system is made of aluminum T6 aircraft 6061 construction with level III hard anodize finish. No gunsmithing required.
* T6 6061 Aircraft Aluminum
* Bead Blast with Type III Anodizing
* Precise CNC machining
* Mil Spec 1913 Picatinny
* 2 Piece Drop In Rail System
* Oval Port
