Nine Ball Aluminum High Bullet Valve NEO-R for Tokyo Marui SOCOM MK23 Gas Pistol
Extreme Output Power upgrade
Increase the shooting power of each shot
Withstand high pressure airsoft gas
The ball bearings included with the Nine Ball Hi-Flow Valve are to be placed inside the gas reservoir to promote more consistent high-power gas release.
Suitable For Tokyo Marui SOCOM MK23 Series Gas Blow Back GBB Pistol

As always, upgrading GBB require necessary skill & technique, consult expertise if needed