645 before and after

skjos

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Thanks to BruceB I’ve had 645’s on the mind, apparently I missed one at the Feb 22 WAC show.

I was out-and-about getting the wife’s car reprogrammed so that it would recognize the new battery I installed and decided to hit a few gun shops. There sitting in the case at the second gun shop was a slightly abused 645 with one mag. After chatting with the owner awhile we decided on an OTD price of $450, which is about $411 pre-tax. Not too bad, but not near some of the deals I’ve heard forum members getting. The gun-shop owner said the pistol was a part of a police evidence lot. Anyhow here are the as-purchased before pics and the after pics...


645r.jpg


645l.jpg



The plan…

Blast the rounds with 120 or 220 aluminum oxide media to make them a little darker matte grey. Then sand the flats up to 600 grit to remove the light surface scratches, followed with polishing compound. It will look sort of like the 952-2 in the SWSC.

952-2.jpg



The 10-step process:

1. Completely strip (less sear spring)
2. Clean and degrease

645_stripped.jpg


The bummers so far, my sight pusher marked up the rear sight, the extractor has a small chip, and the ejector spring was a little tweaked. The sight and springs are no big deal if S&W wasn't so backed up. The extractor sucks because this part can only be replaced by S&W. I'll put the original back in and check for function, but if it doesn't work it will have to go back to S&W.

645_parts.jpg



3. Mask off all flats and all internal surfaces

645_mask1.jpg



4. Determine white AO grit (120 or 220)
Note: I'm going for a gray color similar to the back-strap (French gray), thus white AO instead of glass beads. The knife was blasted with 120 WAO, and the saw was basted with 220 WAO.

645_knife.jpg



5. Blast external surfaces with 220 AO (less flats)

645_blasted.jpg



6. De-mask and clean to remove all AO from parts
7. Wet sand flats on surface table to remove scratches

645_mold.jpg



8. Mask all blasted surfaces

645_mask2.jpg



9. Polish flats with Mothers

645_polished.jpg



10. Clean and reassemble.

645after1.jpg


645after.jpg


645after2.jpg


11. Find jacket.

645magazine_ad.jpg
 
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Great deal on a great gun. Best of luck and enjoy your new toy. Thanks for the info and pics.
 
Good catch!

That looks a point or two better than the one at the show, and about a wash pricewise with only one magazine.

It would be nice to get the rub marks out of the sandblast areas, hopefully that can be done with some gentle blasting and leave the markings intact. I might opt for a trip to the mother ship for refinishing.

One of these days we'll actually get to meet at a show or somewhere around the sound.
 
I think the pics make it look in a little better condition than it is.

The plan is to get some 120 grit white aluminum oxide media and hit the blasted surfaces to make them a little darker matte grey. Then lightly sand the flats with 600 grit to remove the light surface scratches, followed with polishing compound. It will look sort of like the 952-2 in the SWSC.

I'll be at the next Puy show, collecting 3rd gen prices for the masses.
 
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Congrats on the nice 645. That's a great price. Enjoy the crisp single-action trigger of this beautiful Gen 2.

- Dave
_____________________________________________________________
In a world of compromise, some people don't. We carry Smith & Wesson.
 
I would suggest taking off the grips and using a green scotch brite pad to remove the surface scratches the use some flitz by hand after masking off the glass beaded frame. Same on the slide. The frame can be glass beaded very easily. I bought my own cabinet and use it on all sorts of parts. It's a handy tool. I removed my back strap and hit it. The color is now much lighter, it's aluminum and may have had a coating. Very easy to refresh one of these at home yourself.
 
The planned 10-step process:

1. Completely strip (less sear spring) - done
2. Clean and degrease - done
3. Mask off all flats and all internal surfaces - in-work
4. Determine white AO grit (120 or 220) - held for media
Note: I'm going for a gray color similar to the back-strap, thus white AO instead of glass beads
5. Blast external surfaces (less flats)
6. De-mask and clean to remove all AO from parts
7. Wet sand flats on surface table to remove scratches
8. Mask all blasted surfaces
9. Polish flats with Mothers
10. Clean and reassemble.

The bummers so far, my sight pusher marked up the rear sight, the extractor has a small chip, and the ejector spring was a little tweaked. The sight and springs are no big deal if S&W wasn't so backed up. The extractor sucks because this part can only be replaced by S&W. I'll put the original back in and check for function, but if it doesn't work it will have to go back to S&W.
 
I've made some updates to show my progress so far, and consolidated my subsequent posts into the original post.
 
Finally done, I was held for an extractor pin, but a recent post directed me to Jacks First Gun shop where I was able to procure a pin. The after pics have been added to the original post.
 
Nice,

Here's a tip on doing the flats. Lay the paper on something flat. A piece of glass, surface plate, etc. and run the slide lengthwise over the paper.
You will, of course have to remove the extractor and whatever else protrudes from the frame.

If you get down to the 600 it will look like glass, and it will keep your edges sharp and not rounded over.

Have fun,
Bob
 
I wouldn't believe that was the same 645 if I didn't see it before. Great job and it looks great.
 

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