![Airtech Studios G&G ARP9/ARP556 Battery Extension Unit (Color: Black), Accessories & Parts, External Parts, M4 / M16 External Parts, M4/M16 Stock Tubes / Parts - Evike.com Airsoft Superstore Airtech Studios G&G ARP9/ARP556 Battery Extension Unit (Color: Black), Accessories & Parts, External Parts, M4 / M16 External Parts, M4/M16 Stock Tubes / Parts - Evike.com Airsoft Superstore](https://www.evike.com/images/large/airtech-78381.jpg)
Airtech Studios G&G ARP9/ARP556 Battery Extension Unit (Color: Black), Accessories & Parts, External Parts, M4 / M16 External Parts, M4/M16 Stock Tubes / Parts - Evike.com Airsoft Superstore
![Does this stock extender come with the buffer tube cap. My arp9 was bought used and didn't come with a cap. : r/airsoft Does this stock extender come with the buffer tube cap. My arp9 was bought used and didn't come with a cap. : r/airsoft](https://i.redd.it/n1m5s9lhvkj71.jpg)
Does this stock extender come with the buffer tube cap. My arp9 was bought used and didn't come with a cap. : r/airsoft
![Titan 11.1 LI-ION battery, Airtech Studios BEU and the G&G ARP9. Will it fit and does it perform? - YouTube Titan 11.1 LI-ION battery, Airtech Studios BEU and the G&G ARP9. Will it fit and does it perform? - YouTube](https://i.ytimg.com/vi/0yV2huuU0Z4/mqdefault.jpg)
Titan 11.1 LI-ION battery, Airtech Studios BEU and the G&G ARP9. Will it fit and does it perform? - YouTube
![Airtech Studios G&G ARP9/ARP556 Battery Extension Unit (Color: Black), Accessories & Parts, External Parts, M4 / M16 External Parts, M4/M16 Stock Tubes / Parts - Evike.com Airsoft Superstore Airtech Studios G&G ARP9/ARP556 Battery Extension Unit (Color: Black), Accessories & Parts, External Parts, M4 / M16 External Parts, M4/M16 Stock Tubes / Parts - Evike.com Airsoft Superstore](https://www.evike.com/images/large/airtech-78381-aux2.jpg)