Airtech Studios EHA Enhanced Hop Up adjustment ASG Evo3 A1.

Designed specifically for the ASG Scorpion Evo 3 A1 upgrade the existing adjustment wheel for easier and precise Hop-up adjustments.

Features:

- Redesigned Hop-up gear to enable micro-adjusting for the best hop setting depending on BB weight!

- Newly increased adjustment knob

- Adjust the hop-up even with gloves on and no need to carry an Allen key around the field to adjust

- Stronger gear system to keep hop-dial in place

- Give a fresh aggressive look to your Scorpion Evo

- Made of strong fiberglass nylon