JBU Hop Up Bucking and Spacer

JBU Hop Up Bucking and Spacer

JBU Hop Up Bucking and Spacer

JBU's Hop Up Bucking and Spacer will improve your AEG's performance by giving you a far more consistent and responsive back spin on your BB. Better back spin means more range, more range means more eliminations.

Features:

- Comes with both bucking and spacer

- Quality replacement part

- Offers more consistent back spin on BBs

- Fits most hop up units