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Thanks for the reply. Yeah, I didn't think of that. The barrel would hit the barrel stop befrore bottoming out in the bearing and bushing, thanks. Since I don't have any 4140 and must buy some, plus my time to machine another bushing and run the kiln up to heat treating temps, I might as well bite t...

Sorry I failed to mention that I am a new member here. I used steel I had on hand to make the repair bushing. Maybe I should get better steel like 4140 or similar and make a new one. I do have a pid controlled kiln to heat treat. My thinking was that I can case harden the mild steel bushing and not ...

I decided to machine my own shroud repair bushing. Thanks for the print on this site. I machined it from mild steel. Then I decided to test the old bushing for hardness. It comes out to 62 rockwell c. Now I wonder if I should make a harder bushing. I can case harden this one but the inside will be s...

Hi all, New member here. This is a great site with lots of info. Thanks to all. I am a Viet Vet. I know a little about fabricating things since I raced Sprint Cars after Nam. I built my own engines and all. I bought a Yugo M53 kit years back. At first I was a little overwhelmed at what needed to be ...