GHK M4 / M16 Airsoft AEG to GBB Complete Gearbox Conversion kit with magazineConverts a standard M4 / M16 AEG Rifle into a GBB Rifle High Strength Nylon Fiber Shell Construction Full Metal Internal Parts Realistic Blowback Action
This is what G&G, Javelin and other GBB rifles have in them! This innovated GHK gearbox allows you to convert your Airsoft Electric rifle into a GBB in minutes! Swap back and forth with your gearbox for multiple gaming scenarios!
Conversion kit includes also one spare $50 value GBB magazine!
Gas Type: Green Gas, Propane
Compatibility For Tokyo Marui and other similar style M4 / M16 Series Airsoft AEG Rifles. Some modification may be required.
Package Includes: GBB Gearbox, Hopup, Magazine
Disclaimer: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.