FN M4A1 Air Rifle 177 Cal BB CO2 Powered Semi

auto177The Winchester Model M14 Semi-Automatic CO2 Air Rifle is a nod to all the heroes that helped win World War II with the same weapon desn.. Modified to use 2The Umarex StrikeForce gives you a full auto CO2 BB rifle desned to remind you of the familiar looks and operation of an SBR firearm. You'll enjoy speeds up to 450 fps for exciting