First off, I tried posting in the "Reviews" section but couldn't so here it is. The part arrived in a timely fashion and appeared to be very well made and finished. At first I didn't fully understand how adapter worked but after getting in touch with TAKD, Nathan called me (his dime) and straightened me out. Once I understood how it should fit (under the grip screw nut) I inserted the part into the end of the receiver.
But the hole in the adapter didn't line up with the interior hole on the MAK-90 as can be seen in the photo above. It was obvious that the hole was not aligned corre