UMAREX REKT OPFOUR RIFLE RED Foam dart rifle launches darts faster and farther by using two 12 gram CO2 cartridges to give it power (CO2 NOT included) Easy to use: Just pull the grip to load your next dart and pull the trigger; There's no spring to operate it, so it's easier to operate CO2 loads in the back of the OpFour dart rifle inside of the rear stock (CO2 NOT included) Features a manual safety which is especially good for learning safety when not on the playing field Includes a 12-dart magazine; Universal fit magazine works with your other REKT OpFour blasters