Me and my brother uses velcro that looksl like what you describe.
It can hold a ubec and recevier without any problem. I even use it on my mamba max but that has gotten loose a couple of times!
It so strong that I can lift my car just holding the velcroed receiver!
Here is a pic
http://smail.dyndns.org/album/?cwd=R...D=15&size=orig.
I live in Sweden though so I cant help you find it in the states :(