Quote Originally Posted by Vincent View Post
Looks like it was a semi--auto that has been converted to a full-auto post dealer sample.

http://www.gunbroker.com/item/609367080

Interesting that it doesn't have the studs for a rail. I wonder how that happened.
Many of the Mk7s illustrated in the GoD book don't have optic studs.

I seem to recall that in the 80s there weren't many optics choices for pistols anyways...