The A.R.M.S.® Selective Integrated Rail System includes more unique and helpful features for the professional user than all other devices combined. Only the A.R.M.S. S.I.R. System allows you to have dovetail rails where you want them and not where someone else has decided for you. This modular receiver sleeving system is a hand guard universal mounting system that leaves the barrel totally free-floating while providing a rigid ultra-light platform on which to mount virtually any mission specific accessory.
THE MOST ADVANCED HANDGUARD IN THE WORLD. This is the lightest system available. Weight: ONLY 8.6 oz. The A.R.M.S.® #50M-CV™ S.I.R.® System for Carbine length 5.56 cal.
