Army-confirmed and built for fight, the KAC RAS for sale is actually a drop in Rail Adapter Program that capabilities MIL-SPEC-1913 Picatinny rails together its entire length. Obtainable in configurations compatible with the HK MP5, the M4, plus the M5, the KAC RAS rail surpasses other two-piece quad rails on https://knights-armament-drop-in75184.prublogger.com/23617857/everything-about-knights-armament-drop-in-rail