Panthera Hop Arm

The Stalker Panthera Hop Arm enhances your stock VSR-10 Hopup . The Panthera arm eliminates wobble and almost or certainly have the same results as a TDC mod. After installing this arm and adjust your setting, there's almost no up and down movement of the arm. This hopup arm, is designed to give a huge boost of your stock hopup of your VSR-10. 

This arm accepts the most popular nubs but of course we offer you a concave nub that works the best with Maple Leaf Buckings.

The arm design offers you:

• Improved width to eliminate wobble in between the two chamber halves.
• Adjusted nub pocket to align the nub center on the bucking patch.
• Adepts a variety of nubs (Our Panthera VSR nub is suggested to use with this arm).
• A smaller adjusting gap to eliminates up and down wobble on the arm and adjusting bar.
• Improved chamber axle hole to eliminate wobble in between the chamber axle and arm
• This arm is designed and tested on Stock JG / TM and Maple leaf Chambers.

Approved working chambers with this arm:

• TM VSR-10 Stock Chamber
• JG-BAR 10 Stock Chamber
• Maple Leaf Chamber (Little mod required on the maple leaf chamber)
• Cyma CM701 (Little mod required on the Cyma stock chamber's axle or arm hole)
• This arm work best with maple leaf buckings
•  

*Please read before buying*

• This arm might work perfectly on different brand VSR-10 chambers that are copy's of the TM, JG and Maple Leaf chambers.
  
  
• This arm does not work with bridged barrels, Only open cut GBB/VSR like Crazy jet barrel works perfectly.
  
  
• This arm may require modification on other hopup brands than listed in the approved list above.

• To fit this arm in a Maple Leaf chamber, a little mod is needed on the maple leaf chamber (Remove the little bulge on the inside of the chamber half as seen on photo 4)
  
  
• To fit this arm in a Cyma CM701 chamber a little mod is required, make the axle on the chamber thinner or file the hopup arm bigger.