-Side Charging Upper
-.223/ 5.56, 300BLK, 9MM
-Hard Coat Black Anodizing
-Billet machined is a revolutionary leap forward in non-reciprocating side charging design
-True drop in system that allows the use of a Mil standard bolt without machine modification
-Only change needed to make is to install a special Cam pin into bolt which is included with the upper
-Machined and profiled to work with all M4 pattern M4 upper forend rails that are designed for use on the mil spec uppers.