The Single Best Strategy To Use For knights armament m4 quad rail
The IBN technique enables the rail itself to act as being the barrel nut when torqued onto the rifle, fully doing away with the necessity for any independent metal barrel nut. M-LOK extras can be mounted anyplace alongside the URX 4?s length, rendering it Just about the most user configurable patterns that you can buy.?Knight’s Armament Firm incl