Colt Defense M4 KAC Knights Matech Milsurp Listing ID: 2981514

New unfired Colt Defense 16” M4 carbine. New milsurp colt stock, new milsurp P&S broomstick, new MaTech rear sight, used KAC RAS quart rail (Titusville). Full factory Colt rifle with the mentioned accessory upgrades. Not a bucket build.