Keep a reserve mag strapped to your stock, or anywhere else you might need one, with this CondorA(R) M4 Buttstock Mag Pouch. Adjustable straps will fit both fixed and collapsible versions of the standard AR/M16 stock. Or remove the straps and use the hook backing to attach this Pouch to any compatible loop surfacea |like those found in many gun cases, tactical bags and backpacks. Adjustable straps fit both fixed stock and collapsible M4/M16 stock Adjustable, removable hook-and-loop flap top Fits a single AR/M4 mag Elastic bungee for retention Hook backing for attachment to any loop surface