ricasso on M7s
 

I have heard that if the ricasso on an M7 is not at a 90* cut then it is a commercial. is this true?
look at this one, the ricasso fades in, i also have a milpar made m7 that has the same feature, but it does have two slots on the tang.
thanks for any input.
http://cgi.ebay.com/U-S-military-iss...QQcmdZViewItem