The IBN system permits the rail itself to act because the barrel nut when torqued onto the rifle, completely reducing the necessity to get a independent metal barrel nut. M-LOK equipment may very well be mounted anyplace alongside the URX 4?s size, making it Probably the most user configurable layouts https://kac-ras-rail53962.idblogz.com/27068856/helping-the-others-realize-the-advantages-of-kac-rail