Increase range and accuracy of your GBBR with the Psionic Tho-R Hop Up Bucking. The R-hop style concave contact patch maximises consistency and hop effect and improved feed lips minimise misfeeding.

Features

• Easy to install
• Geometry optimised for range and accuracy
• Improved airtight seal and consistency
• Abrasion resistant
• Effective cold weather performance
• Includes 2 nubs

Recommended setup

• BB weight: 0.36g or heavier
• Power output: 1j - 2.5j
• Temperature range: -10°C - 40°C

Installation note: lightly lubricate the outside of the bucking for ease of install and removal. Pull gently to avoid damage.

Compatibility

• GHK: GHK and Maple Leaf Hopup
• MWS/WE: Use with stock nozzles (NOT compatible with MP5)
• VFC: VFC GBB rifle series without external protrusion (NOT compatible with pre-2020 VFC AR15s)
• Not suitable for extra small windows