Nine Ball High Bullet Valve NEO RR for Marui SOCOM MK23 GBB Pistol Net-Weight-(g)_4578 Also Fit M4 URGL GBB

Also Fit M4 URGL GBB Outer Barrel

and other gear options

Suitable for G&G TR16 MBR 308SR/WH or Standard AR style 308 airsoft AEG Rifle

you can always choose a longer Barrel if you have a extended Outer Barrel or Silencer installed

Nine Ball High Bullet Valve NEO RR for Marui SOCOM MK23 GBB Pistol Net-Weight-(g)_4578 Also Fit M4 URGL GBBNine Ball High Bullet Valve NEO RR for Marui SOCOM MK23 GBB Pistol Metal Construction Design Uprade the Original Parts Improved The Performance, Provide a Higher flow of Gas Works ideally with the Light Trigger Pull Kit Suitable For Tokyo Marui SOCOM MK23 Series Airsoft Gas Blow Back GBB Pistol