More Systema PTW Evolution Series Challenge kits are available now at eHobby Asia. Even if these are cheaper than the completed versions, you still need to shell out a hefty amount to get one of these especially when the Japanese Yen is strong right now affecting the pricing... "Exactly the same dimensions as the real steel version. Design for Upgrade Your Rifle Original Kit. This kit which includes all parts need to be assembled. If you want to try Systema high quality AEG series and have confidence to assemble this kit, we recommend you get this kits.

Systema PTW Challenge Kit M4A1 MAX3 Evolution (M130)

Systema PTW Challenge Kit M4A1 MAX2 Evolution (M110)

Systema PTW Challenge Kit M4A1 MAX Evolution (M150)

Systema PTW Challenge Kit M4A1 Evolution (M90)

Packages Include:

• Full Metal Body Receiver Set With carry Handle
• Charging Handle
• Steel Outer Barrel With Flashider
• Full Metal Front Sight and Barrel Nut
• Inner barrel With Hop up Chamber
• Cylinder Set (Cylinder Head, Piston, Piston Head & Nozzle)- M90
• Compatible Gearbox Full Set ( Gear Set, Trigger Set, Electrical Component & Motor (490 Type) ). It is the 'Planetary-gear-box' that contributed most to P.T.W. in achieving exactly the same external dimensions as real gun.
• 120 Round Full Metal Magazine
• Heat-Treated Steel Stock Tube
• Reinforced Polymer Stock (Come With Foam Cheek Pad and Rubber Pad), Pistol Grip and 165mm Handguard
• MAGPUL PTS MBUS2 Rear Sight
• MAGPUL PTS Trigger Guard (with spring pin and socket screw)

Suitable for M4A1 MAXI Airsoft Electric Gun AEG Rifle"