WE AEG Series which comes in a new designed KATANA Split gear box system. The Raptor front set comes in a Aluminum made rail handguard which allow user to equip the rail mounts in order to fit their tactical used. Also the 13 inch barrel and 11.5 inch Raptor rail makes it a suitable assault rifle for mid range battle.
  The KATANA AEG system comes with a changeable cylinder unit and the new designed gear box in the lower frame. It will comes with 3 types of cylinder unit (300 / 400 / 450 FPS) and the 400 FPS cylinder is the standard eqippment with the KATANA AEG. Although the gear box is special made, it can compatible with most of the parts of ver 2 gear box.
  The hop up system and inner barrel is compatible with TM M4 AEG standard, and it also comes with the same function already on their M4 AEG: When user turns to “Safe”, it will release the spring in the gear box back to normal state.
  Features
14mm”-” Steel made Flash Hider.
Aluminum made 11.5 inch Raptor Rail Handguard with 13 inch outer barrel.
2 short rail + 1 long rail included for install on the Raptor Rail Handguard for attach any rail attachments.
Comes with metal frame with no marking and standard 20mm rail on the upper frame for rail attachments.
New designed KATANA Split Gear box system comes with a changeable cylinder unit and the gear box in the lower frame.
The Red Cylinder Set (400 FPS) is included.
The new gear box can compatible with most of the parts of ver 2 gear box (gear set, selector plate and motor).
When user need to change the cylinder unit, please ensure the selector is in “Safe” before changing.
Adjustable Hopup system and inner barrel are compatible with TM M4 AEG standard.
Bolt catch function available for easy Hopup adjustment.
Nylon Fiber made Expandable Battery Stock which Store up to 9.6V twin stick type batteries.
Spring release function when user switch the selector to “Safe”.
Ready to go for 350 – 400 FPS with the standard Red cylinder unit.
Included 430 rounds M4 Hi-cap Magazine.
Compatible with most of the TM M4 style magazines in the market.
  ** Please note that Battery and Charger are not included.**
  Specifications
Length: 790mm, 875mm (Stock extended)
Barrel Length: ~340mm
Shooting Mode: Safety, Semi-Auto & Full-Auto
Weight (g): 3030 (gun with mag), 3900 (with box)
Gear Box: WE KATANA Split Gear Box with changeable Cylinder unit
Color: TAN
Battery: 9.6V twin stick type Battery
Magazine Capacity: 430 rds
Material: Metal & Nylon Fiber
Bullet type: 6mm BB
Power (Muzzle Velocity): 350 – 400 FPS with the standard Red cylinder unit.
Manufacturer: WE

What you get
WE  katana raptor gun
430 round mag
Intructions 
UKARA code?