Wolverine Quake HPA Recoil Stock for M4 (Stock / Spartan Board) Bio and Non-Bio BBs Does your rifle have such

Does your rifle have such high rate of fire that you are not able to make a single shot

Active Brake

Solar Failsafe™

Nylon buckles for low sound closures

Not rated for use with CO2 tanks

Wolverine Quake HPA Recoil Stock for M4 (Stock / Spartan Board) Bio and Non-Bio BBs Does your rifle have suchDesigned to work with any Wolverine Airsoft HPA engine, the QUAKE stock adds an extra level of realism which was not available with any Electropneumatic HPA system until now! Technical Notes: The QUAKE stock does require permanent modification of the gun, and we will provide a detailed video tutorial on installation. Wolverine Airsoft is not responsible for parts falling off, breaking, etc. from the recoil which most AEG's are not designed to for. We