Virginia Gun Owners Forum - VGOF

I saw this:
http://www.sigsauer.com/Catalog/acp-ada ... tform.aspx
Looks nice. Any legal restriction to buy/use it?
Anyone has tested it?

Very cool idea, but not a new concept. The problem is that only the LE has the necessary stock to make it practical (IMHO) and that's limited by the NFA. They would be much more popular if it weren't for that.