Specna Arms SA-J07
Hello everyone! I'm quite new in Airsoft, so if this is dumb question, sorry for that. I would like to know what kind of rail I could mount to bottom of this gun, so I can attach vertical grip. Here is the link to the replica https://airsofttotaal.nl/elektrische-replica-s/2180-specna-arms-sa-j06-edge-carbine-1616419490142.html