STEP UP TO THE NEXT LEVEL OF AIRSOFT EXCITEMENT! The Tactical Force TF11 is powered by a single 12 gram CO2 cylinder and will fire BBs at an incredible 1000 shots a minute! It doesn't take long to send a barrage of BBs to your airsoft target. The Tactical Force 11 can be fired in either full- or semi-automatic modes at 350 feet per second and to top off the TF11's features, it has a realistic blow back action. The TF11 is pistol is fast, fun, and just plain cool. It is durable, shoots fast, and stings hard- what more do you want in an airsoft gun? Caliber .6mm soft air BB. Velocity 350 fps. Free BB's with purchase!