Madbull 60 Degree Hop Rubber for VSR / Pistol (2 Pack)

Madbull 60 Degree Hop Rubber for VSR / Pistol (2 Pack) The Madbull Sniper Accelerator Hopup Bucking is designed with soft rubber and silicone material to allow for maximum adjustment and increase the overall performance of your sniper rifle. The bucking is specially designed to seal compressed air and prevent double BB feeding. Rubbers bucking work with the Echo 1 M 28 & VSR-10 style rifles. The Madbull sniper hop up bucking will take your rifle to another level of precision! Features: 60 Degree Pack of two Fits VSR and pistols