Type: External Part
Manufacturer: Airtech Studios
Materials: Nylon

Pros:

• Extends battery space for KWA TK45 PDW
• BEU protects wiring from overbending to for longer life
• Vented side crevices keeps battery components cool
• Strong and flexible nylon construction can withstand rough handling
• Steadies buttstock by locking down TK45's two metal rails

Cons:

• Compatible only with KWA Ronin AEGs
• Extends stock length which can be bothersome for some

Comments: The Airtech Studios Tanker BEU is custom-made to provide additonal space for the KWA TK45 PDW's battery compartment while fitting seamlessly into the stock with no extra modifications needed.