NINE BALL - Green Gas Injection Valve for GBB Pistols and Rifle Magazines HK Army speed feed Gearbox Type: Proprietary EVO3 A1

Gearbox Type: Proprietary EVO3 A1

Lightweight yet solid polymer construction

25”  X  1” IN

Package Includes: x1 Prometheus Hard Piston

NINE BALL - Green Gas Injection Valve for GBB Pistols and Rifle Magazines HK Army speed feed Gearbox Type: Proprietary EVO3 A1Features: Replace your original Airsoft GBB Magazine fill valves (5mm Diameter) Hides that ugly brass from the bottom of your magazines Pack of 3 Manufacturer: Nine Ball Specifications: N A Dimensions: 128mm L x 23mm D Weight: 1 oz Thread Pitch: N A Compatibility: Tokyo Marui KSC Marushin Maruzen Airsoft GBB Pistols Material: Steel Package Includes: 3 NINE BALL Green Gas Injection Valves