First off, I'd get another gun hammer to work on. Now this could be out of the junk pile, or one that has been replaced. Use it to practice on. You'll need to have a way to heat the steel of the hammer (gun) to at least orange hot. And you'll need a solid way to hold it into position. A good sized Cresent wrench, or pipe flattened out that will fit over the spur you'll be bending. The color ranges of the steel will go from red to orange to yellow to white. And from dull to bright of each color. Something this small will undoubtedly change quickly. When you get to a medium orange you are going to use the Cresent wrench or flattened pipe. You don't want to get the whole hammer that hot, just the spur area. Slip it over the spur, and use it as a lever to move the spur to where you want it. You can reheat and do it again if it isn't where you like it, you can even go the other way if needed. Don't throw it into a bucket of water to cool it either, it may crystalize the steel, making it brittle. Know about where you want it before you start, that's where the practice hammer comes in, it will help get the 'feel' of what you are doing.

Now for the bad news, I have never personally done this. But, I have welded for 30+ years, and know a little about heating and bending steel. This is how I would approach this project. If you know a welder or gunsmith, by all means run this by them first. You'll find it's not too far off the mark.

Hope this helps.
KB

Would it help to wrap the hammer excluding the hammer spur with a wet rag to keep it from getting too hot? Or let the jaws of a vice act as heat sinks to keep the temperature down in the main part of the hammer?

First off, I'd get another gun hammer to work on. Now this could be out of the junk pile, or one that has been replaced. Use it to practice on. You'll need to have a way to heat the steel of the hammer (gun) to at least orange hot. And you'll need a solid way to hold it into position. A good sized Cresent wrench, or pipe flattened out that will fit over the spur you'll be bending. The color ranges of the steel will go from red to orange to yellow to white. And from dull to bright of each color. Something this small will undoubtedly change quickly. When you get to a medium orange you are going to use the Cresent wrench or flattened pipe. You don't want to get the whole hammer that hot, just the spur area. Slip it over the spur, and use it as a lever to move the spur to where you want it. You can reheat and do it again if it isn't where you like it, you can even go the other way if needed. Don't throw it into a bucket of water to cool it either, it may crystalize the steel, making it brittle. Know about where you want it before you start, that's where the practice hammer comes in, it will help get the 'feel' of what you are doing.

Now for the bad news, I have never personally done this. But, I have welded for 30+ years, and know a little about heating and bending steel. This is how I would approach this project. If you know a welder or gunsmith, by all means run this by them first. You'll find it's not too far off the mark.

Hope this helps.
KB

   Good Luck, Rev 

Thoughts and well-wishing a speedy recovery for the two of you.

Coffee & toasted a frozen waffle a while ago.
tiz 61° headed to 84 ° and sunny
 

I work part-time in a nice gun store here in Arkansas. We carry a nice selection of CAS guns too. Yesterday a couple walked in to look around. They were nice folks, looked to be in their 40s and the gent asked to see a New Uberti .45. Cool, I bring it out, show him how to see if it's unloaded, hand it to him. He admires the gun and then starts to do a spin with it! I just tell him [quietly] "Please don't do that." He gives me a dirty look, hands me the gun and tells the lady with him "C'mon, let's go." and they leave the store. I walk over and tell the owner what just happened, and he was fine with it. We don't allow flicking revolver cylinders shut or flipping old shotguns closed either. Anyway, just WHY do people want to do stuff like that with property that doesn't belong to them?

Probably  trying to impress his lady friend.