Hop Up Tensioner w/ Soft & Hard for Tokyo Marui AEG series

A very innovative Hop-Up rubber buffer knub.
Designed for low stress and high performance.

-Featuring the bridge type Hop-Up buffer knob.
-Enhance BB flight in long and straight line, with 3 contact points to stabilize the BB.
-Super hop up effect.

2 pcs included (hard and soft)