G&G TGM A2 ETU - Solid Stock MP5 High End AEG Platforms The bottle helps to keep

The bottle helps to keep the bio BBs fresh and prevents deformation from the pressure of stacking during shipping

Internals are all the same

modifications to the nozzle may be necessary

Micro-Switch Assembly for LiPo Battery Use and Durability

G&G TGM A2 ETU - Solid Stock MP5 High End AEG Platforms The bottle helps to keepNew ETU MP5 Series Material: Aluminum Nylon Fiber Steel Zinc Polymer Motor: 25000rpm Hi torque Long axis Gear box bearing: 8mm ball bearing Inner Barrel Length: 233 mm Magazine: 200Rounds Overall Length: 675. 2mm Weight: 2730g Electronic Trigger: Yes MOSFET: Yes FPS: 380 Battery and charger sold separately.