The MadBull Accelerator Hop Up Bucking is designed to fit Tokyo Marui VSR-10 rifles and clones, as well as TM GBB pistols. This will also fit the Echo1 M28 airsoft sniper rifle.
MadBull's sniper rifle bucking offers improved grip and an increased range of hop-up adjustment for compatible airsoft guns. The material provides a better seal for velocity and consistency.
MadBull VSR / M28 Accelerator Hop Up Bucking Features:
-Softer Rubber/Silicone Material
-Designed to Improve Air Seal
-Prevents Double Feeding
-Two Bucking Per Pack