The MI STAP RIFLE Stock Plate LWS/PB fit on the DFA Telescoping Adaptor for Tailhook Mod 1 and T-Rex Stock Shoulder Plate. That means it would also fit the DFA KOMODO TAIL- FIXED LENGTH STOCK/BRACE ADAPTOR. So, these stock/brace adaptors work with a Gear Head Works Tailhook Mod 1, Dead Foot Arms Shoulder plate, Midwest Industries Rifle or Carbine STAP Stock Plate LWS/PB, or Midwest Industries Arm Brace Hook. Anyone who wants to use a DFA telescoping stock/brace adaptor, or fixed length stock/brace adaptor with the MI stock plate or arm brace hook, can save $75 by not buying a T-REX 5 Position Telescoping Rifle Stock or KOMODO RIFLE STOCK, and taking the butt plate off. You could likewise install the DFA buttplate on a MI Stock Tube Adaptor 6.625" Beam or 8" Pistol Brace Compatible Beam. I didn't know it would work, so I didn't do it that way.
I had a really hard time drilling the holes in the end of the stock. The drill wandered on 1 hole and I couldn't get both screws in at the same time. So I put 1 screw in and re-drilled the other hole while the buttplate was on. It made one big hole but I was able to tap the second side of the "figure 8" well enough to get some threads on the side. I used green Loctite made for bearings and sleeves, not nuts and bolts, to hold the buttplate onto the tube and to hold the screws in. I used my heat gun on high for a few minutes to activate the Loctite, then spent a lot of time brushing the excess with a brass brush and Hoppe's No. 9, and scraping it off with a small screwdriver that I keep in my gun cleaning box. It's only 3 1/2" long and I think it fits a 1911 mag catch lock, and it worked without wrecking the anodizing. If I knew how hard it was going to be just to drill 2 holes, maybe I would have stuck the buttplate on with epoxy. I'm going to hit it with a propane torch to really make sure the Loctite is set.
The DFA T-REX buttplate is too big to fit on a rifle buffer tube, but could be shimmed to work. I might try to shim it with a piece of sheet metal, wrap some electrical tape around my old buffer tube and put the buttplate on just for for sh**s and giggles. Who knows, I might even like it. But I don't know if the buffer tube will screw in far enough to hold the buffer retainer, if I put a carbine end plate on it. There's only one way to know for sure.
https://deadfootarms.com/products/komodo-tail-fixed-length-stock-brace-adaptor https://deadfootarms.com/products/telescoping-adaptor-tailhook-mod-1 https://midwestindustriesinc.com/stap-stock-plate/ https://midwestindustriesinc.com/arm-brace-hook/