4UADHopup Rubber Bucking AEG Friction Pro-High Performance 4UANTUM

Product description
With this 4uad 4uantum Friction Pro AEG hop up bucking you go for ultimate consistency. It ensures a contact surface that makes perfect contact with the BB in the middle, so that each BB is shot with exactly the same hop. This allows you to shoot considerably smaller groups. The 4uad 4uantum Friction Pro AEG hop up bucking uses a nub with a unique contour for this.