Gunsmith Bros SV Magazine Base (Gold/ Diamond Style) TM carbine made the stable function and

made the stable function and durable

Adjustable windage (left right) and elevation (up and down)

4V 600mAh Ni-MH Rechargeable small Battery (optional) can be stored into Handguard

This KSC M9 constructed of most close mechanism as the real Beretta

Motor Spring

Gunsmith Bros SV Magazine Base (Gold/ Diamond Style) TM carbine made the stable function andGunsmith Bros SV Magazine Base (Gold Diamond Style) CNC Aluminum Construction (Light weight & Robust) Engraved "Diamond" Marking These magazine base adds to the aesthetics of the pistol and also provides protection from dropping your magazine Suitable for Tokyo Marui Hi Capa Series Airsoft Gas Blow Back GBB Airsoft Guns Pistol