Finally you can deck out your BT-4 marker to really lay down paint.
The BT4 Electronic Grip Frame makes your gun look and shoot like a real machine gun.

Features:
  • 4 Firing Modes (2 Ramping Modes and 2 Full Auto Modes)
  • Double Trigger
  • Durable Aluminum Frame
  • Easy Bolt On Installation
  • Battery Included
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