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  • Drop-In System
  • Reduces 60-70fps
  • Alloy Construction

Drop in and play downgrade for all KWA / ASG MP9 Gas Blowback Airsoft 6mm BB Guns. The Bolt is constructed from Alloy, making it durable and long lasting, and has been specifically designed to drop the FPS of the weapon by around 50-70 fps making it Site Legal for most Skirmish Sites in the UK.