[ssspconcepts]

You should be able to open up each of the four mounting holes just a little bit and you'll be good to go. You will also probably need four 1.5mm spacers (I used the black ones that Ofna sends with their kits for the hinge pins) to raise up that top plate enough to accommodate the 51T spur. Check the spare parts bags that came with your DM-1 Spec...you should see some small black plasitc spacers that will work perfect.