Madbull Sniper Accelerator Hop Up Bucking (2pcs) for Echo1 M28 & Tokyo Marui VSR-10 Net-Weight-(g)_2990 Provides superior power and performance

Provides superior power and performance using HFC22 gas

Bolt Action Sniper Rifle Shot muzzle velocity ~400FPS out of the box

and KA's stock-fit LiPObatteries

it also allows Airsofters to carry a PDW size AEG in their bag

Suitable For Systema PTW Series Airsoft Rifle

Madbull Sniper Accelerator Hop Up Bucking (2pcs) for Echo1 M28 & Tokyo Marui VSR-10 Net-Weight-(g)_2990 Provides superior power and performanceThe Madbull Sniper Accelerator Hopup Bucking is designed with a soft rubber and silicon material to allow for maximum adjustment and increase overall performance of your sniper rifle. The bucking is specially designed to seal compressed air and prevent double b. b. feeding. Each package comes with two bucking that work with the Echo 1 M 28 & VSR 10 style rifles. The Madbull sniper hopup bucking will take your rifle to another level of precision!