Take advantage of HPA power on your GTP9 / SMC9 ! This G&G 300bbs gaz drum has been tuned in HPA our workshop. The Drum include a no return valve that keeps air inside the drum even if you disconnect your remote line. You can choose US or EU connector type depending on your HPA line model. Preparation steps :
- Disassembly completly the G&G GBB DRUM magazine
- Rear milling an tapp the new hole
- Installation of a (US or EU) no return valve fitting with thread locker
- Cleaning and reassembly
- Firing tests