Model of 1950 Military Find - UPDATED

If there's rust, there's pitting, period. To have rust a commensurate amount of steel had to have been converted to iron oxide. There's no getting around that fact.

Fine surface rust will only cause fine surface pitting. Heavy rust will cause deep pitting.

What people call "patina" or the dark brown surface coloring is nothing more than bluing (a controlled rusting process) turned to 'uncontrolled' fine surface rust that has been arrested by handling, wiped down, or oiled but not removed. At this point it's actually somewhat protective not unlike bluing.

We will know the extent of it after a good soak. I am thinking 3-4 days for starters
 
The soaking in ATF and acetone will get the rust out, but I think the bigger problem is what looks like severe surface pitting and damage. If that is what it is, then that is another issue.

Mike Priwer


Good morning, Mike. I never tried this exact mixture but seems reasonable.

When you say ATF do you mean standard GM Dexron, synthetic Dexron VI or other ? Acetone won't harm whatever remains of the bluing ?

In either this or another post someone recommends 0000 steel wool. I found the 0000 bronze wool is much better. Any steel dust left behind from steel wool ( if not completely flushed out) will start to cause new rust specs over time.
 
This is the recipe for Ed's Red Gun Bore Cleaner. The ATF and acetone are component parts. If you don't want to soak for days then scrub, get some Blue Wonder Cleaner. It will remove rust but not affect the bluing. It is formulated to get metal surfaces squeaky clean in preparation for the Blue Wonder cold blue. See their demos on youtube.
 
Model3sw

I've read several postings regarding the ATF and acetone mixture, but I've not had to try it myself. I do know, personally, that acetone does not harm any of the S&W bluing. I've also soaked lots of gummed-up lockwork and cylinder's in Xylene, and it has never harmed the bluing. Its a bit hot, so you have to protect your hands, etc. Acetone and Xylene, on their own, do not remove rust.

The rust remover I use is Kroil penetrating oils. It does require some elbow-grease, but it will free up stuck screws, etc, with a long soak. Another penetrant is Knock-er-loose. It works faster than Kroil, but will loosen up almost anything that is stuck.

Regards, Mike
 
No, we're talking about two models that are both com'l models:

Model 1917 'Post War Transitional Model'; the 1st 1917 introduced after the war is basically like a pre war 1917 with the addition of the improved post war hammer block safety, the sliding bar type.

'Model of 1950'; this next model has a significant engineering upgrade, S&W's new "high speed action", AKA the short action. New style hammers, and on target models, micro click sights with ribbed barrels were also introduced. The SCSW describes all details of the changes.


Jim,

Thank you for the info. Looks like I need to get a copy of the SCSW, or at least the chapters on the ACP revolvers.

Kevin
 
Sure!

The roll marks on the barrel are different, the side plate has the large S&W logo roll mark and the frame is marked with the 4 line address.

Also these were built on the post war frame, not the pre war frame so those differences apply here as well.

Thank you!

Still learning new stuff every day.

Kevin
 
Well here it is.....

Had it soaking for the last few days while I waiting for a hand spring. I went after it with brass wool this morning and I think it turned out pretty good, way better than when I picked it up. I could have kept going but my hands were starting to cramp up after about an hour!

The spring fixed the cycling problem and the timing is spot on and the lock up is nice and tight. Looks like it will be a great shooter.

92aaf0167c41369cb88a65c32821ff0f.jpg
9008efdc81f59972400259d83f575f38.jpg
 
Personally, I would leave it as it is. It is a cool old gun with patina as it sits.
 
The cleaning worked nicely. It was the left side of the barrel where I noticed what looked like pitting, and that is still there. All said, it looks a whole lot better.

The barrel on the gun should be numbered to the gun, I think. If it is, then I would not cut that one, but look around for another barrel. That way, you can always put it back to original. If you shorten the barrel, you'll have to make a front sight somewhat higher.

Unless you like the appearance of short-barrel N-frames, I don't think you'll gain anything by cutting a barrel shorter. It won't look quite right, from the muzzle, because it will be a bit thicker, due to the taper of the barrel. Also, you'll have to silver solder, or braze, another front sight on to the shorter barrel. You'll probably have to reblue at least the barrel, and silver solder and/or braze do not blue. The attachment line will always be visible.

Regards, Mike Priwer
 
I have a chopped 1917 barrel that is missing a front sight. I might just leave this one alone though the more that I think about it.
 

Latest posts

Back
Top