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  #16  
Old 04-09-2021, 06:57 PM
crazyengineer
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Got time to make a pillar at work, took the opportunity cheat and use the CNC machines to cut the hole and pocket in the stock for the pillar. I may have gone a little overboard on the pillar.

I made the big flange on the pillar to aid in supporting the receiver like a bedding block. I was initially planning on anodizing the pillar black, but after seeing it mocked up I think I’m gonna leave it silver.

I’m gonna use acraglas to mount the pillar in the stock. Once it’s in and cured I’ll put the receiver in the stock, do some fitting, and make sure the barrel is floated when the receiver is snug against the pillar. Once I get that done I’ll bed the rest of the action (mainly in the back and bottom side of the receiver). The big flange is proud of the stock base by about .010” to let the action sit flush against the pillar rather than against the wood (acraglass will take up the rest of the space)

Earlier this week I drilled out the 12-24 hole in the receiver, I then tapped it 1/4-28 to give a bit more holding strength (not that it needs it in a .22....but if I’m gonna overkill it I may as well go all the way)

Once it is bedded and ready to go, I’ll touch up the stain and then finish it with tru oil
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  #17  
Old 04-10-2021, 11:35 AM
Kleiss1
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Nice job.
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  #18  
Old 04-11-2021, 03:29 PM
crazyengineer
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So I’ve got a couple minutes while letting the barrel cool between rust and steam cycles.

I decided to rust blue the barrel since I didn’t want to spray it or use cold blue and I don’t have a place to set up bluing tanks.

I’ve never rust blued before, so I’m going off the instructions with the rust blue solution and the video put out by midway USA. So it’s a learning experience for me

I used a turkey fryer that I won at an NRA banquet and used it as a base for making a steam tube. I degreased the barrel really well and applied my rust blue solution, I used the steam tube as a damp box and let it rust for an hour or so. Then cranked up the burner and let it steam for 15-20 minutes to convert the rust. Then I pulled it out, carded it using 0000 steel wool that I degreased well with denatured alcohol. (For those that don’t know, carding is the process that takes the black fuzzy rust off the barrel that has been converted, leaving the changed color metal underneath).

I let that cool and applied more
Rust blue solution. Put it back in the steam tube to act as a damp box and started the process all over again.

It didn’t rust as well as I would have liked on the Second pass, so while it was steaming I took out an old sheet metal gun cabinet I wasn’t using and put it out in the sun with a wet rag in it. I’m gonna use it at my damp box for the last run.

I’ve done 2 cycles so far and will be doing 1 more cycle.

I’ve learned quite a bit so far. This barrel didn’t cost me much other than time so I decided it would be a great way for me to test out rust bluing before I did something crazy and tried to do my hi power as the fire test piece.

Pictures as follows
1 is my steam tube set up
2 is the first rusting
3 is after first carding
4 is after the second rusting
5 after the second carding
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  #19  
Old 04-11-2021, 08:08 PM
crazyengineer
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Barrel finished after 3 cycles. It isn’t perfect by any means, but I’m very pleased with how it turned out for the first try at it. I’ve got a Winchester 67A boys rifle that needs refinishing, I’ll take it on next before I attempt my hi-power.

There are a few imperfections in the finish, mainly discolorations, I think from having too much moisture in the damp box and having drips build up around the bottom edges (hanging vertical). I’ll modify the damp box and rig it for Slow rust bluing and do it over the course of a week or so.

I’ve wiped it down with boiled linseed oil, I’ll let that dry overnight then wipe it down with regular gun oil tomorrow. After that I will torque the barrel into the action and start fitting the stock better to get it ready to bed.

I made add a set screw to the bottom of the receiver tonhelp keep the barrel from unscrewing.

Finished barrel and then a mock up of the gun overall.
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