The Tactical Force TF4 carbine airsoft rifle is an excellent gun for intense airsoft wars. This rifle is spring & battery powered, so don't worry about running out of batteries in the battlefield again! The gun features an adjustable hop-up unit for increased long range shooting accuracy, a 350 rd high-capacity magazine, and a shot velocity of 300 fps (using .12g BBs). The TF4 also has a removable carry handle that exposes a Weaver/Picatinny rail for mounting riflescopes, and the retractable stock can provide a comfortable shooting experience for users of any body type. Features: Semi/full automatic Dual power Metal inner barrel Removable carry handle Weaver/Picatinny rail Retractable stock Adjustable hop-up