Dual mag adapter for the TG brand of ARP9. Triples the capacity of a normal TG mag. Easy reload without removing the mag from the GB

The Rail support contains additional connector to the arp9 rail to help support the 1.5L mag

Want to learn more? Watch this

youtu.be/5AWB9HWZntY

Requires an TG ARP9 internals to work. Not plug and play.