GC_UPC Del-Ton Inc RFTM16-0 Echo 316 5.56x45mm NATO 16" 30+1 Black Hard Coat Anodized 5 Position M4 Stock Black Polymer Grip $467.25 RFTM160 show more like this Calculated in Cart DACK Outdoors GC_UPC Del-Ton Inc RFTM16-0 Echo 316 5.56x45mm NATO 16" 30+1 Black Hard Coat Anodized 5 Position M4 Stock Black Polymer Grip MAP RFTM160 show more like this 17.99 Defense Depot GC_UPC Del-Ton Inc RFTM16-0 Echo 316 5.56x45mm NATO 16" 30+1 Black Hard Coat Anodized 5 Position M4 Stock Black Polymer Grip MAP RFTM160 show more like this Calculated in cart GunZoneDeals GC_UPC Del-Ton DELTON ECHO 316 A3 CARBINE 5.56MM 16" BBL. 30RD BLACK $479.83 RFTM16-0 show more like this Additional, Calculated in cart BFG Outfitters