here is the link. This takes you to Boride abrasives polishing kits . You select from the list AO and the size. For use with the Everglades stoning jig I like the 1/4 x 1/2 x 6 which is the size I believe comes with the Everglades kit.
The kits come in to grit ranges a rougher to mid range grit kit and then a fine and extra fine grit kit.
I think it is matrix precision takes the AO boride stones and makes them smaller for use in the frame rail slot. Also there is a small 1/8 size by boride that can also be purchased and can be useful for trigger jobs etc.
I think you’ll like those stones. Much much easier to clean and cut easier and cleaner.
One thing you will find with those stones is that when you start removing material from the rails with the Everglades jig after a while you will see a divot in the stone from where material from the stone has been removed by the rail. This is ok because its doing its job! So the AO stone will get used up quicker than other types of stones but it does such a better job in my opinion in cutting and being able to keep the stone clean that it is well worth it. Those AO stones will still last a long time so make no mistake about that.
The JB Compound and oil did the trick. The slide-to-frame fit is very nice and the slide moves under its own weight from battery position to full recoil. It hangs a tiny bit in recoil, requiring a gentle touch, and then will slide off the front of the frame under its own weight.
And I have the grip safety blended to the frame. I need to get some pictures of that, if I can take some that show anything around the glare off the stainless Harrison grip safety.
I used a surface plate and height gauge (I should have bought a used Starrett instead of the new Shars) to carefully measure to get dimensions to calculate CD on the Weigand worksheet. A Starrett micrometer was more accurate than a set of calipers for the hood width (both before and during machining).
If there’s anything I have learned about using a mill in the last few months is that measurements are KEY. Do them them repeatedly after breaking down the setup and then putting it back together until you find a consistent repeatable dimension. Measure again at several stages of the milling process as you approach final dimensions. And use measurement tools you have high confidence in (be sure it’s you and not the tool or you will make yourself crazy - and inaccurate).
In the meantime, I have fit the top barrel lugs to the slide and ended up with .048" of engagement, so that should be good. And the barrel bushing is snug, but can just be turned by hand.
But I do need to go back and check the firing pin alignment to the primer pocket on small and large primer brass.