Grab this Valken Battle Machine M4 AEG V2.0 SD Package from Airsoft Atlanta as this includes a ncludes 9.6v 1600 Battery, Smart Charger, and OD Green Rifle Case for free... "The Valken Battle Machine M4 AEG V2.0 SD Tan - Mid Length 'suppressor' style SD M4 version is a killer new airsoft rifle based on the short M4 carbine. Standard rail system and cool looks for this updated model. 345 FPS w/.20g BBs (335-345 FPS range) Uses a 9.6v 1600mah nunchuck style, or lipo stick. This is a combo and includes the above package deal."