Valken Battery Tester and Analyzer code Vented lens and frame

Vented lens and frame

The Shark Hopup Bucking from Mad Bull was originally designed to prevent double feeding by incorporating 3 fins inside the bucking to aid in securing the BB

Suitable for most gas powered magazines and gas 40mm grenade shells

MOSFET design directs energy from your battery directly to the motor

Re-engineered the hopup levers and nubs to work best with R-hop

Valken Battery Tester and Analyzer code Vented lens and frameThe airsoft battery tester can quickly check the remaining charge of various NiCd, NiMh, LiFe, LiPo, and Li Ion airsoft battery packs. It's easy to read digital display lets you know at a glance if your airsoft battery pack needs to be recharged. The battery tester also displays the voltage of each cell, so you know when the battery pack needs to be balanced. It can also display the internal resistance of each individual cell, so you can evaluate the