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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing
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Rusty_Marlin
.224 member


Reged: 06/07/07
Posts: 14
Loc: Northern Neck Va.
Tightening a SXS shotgun
      #82183 - 11/07/07 12:39 AM

I didn't want to step all over the "putting a DR back on face" thread so I started this one.

A touch of background...

A good customer has brought me a 1890's Remington hammer double in 10 gage. Its been cut down for shooting Cowboy action. While the barrels still lock up tight they are "on the flats" and the top lever has used all of its stroke. Basically its time for tigtening before it goes "off face" and eats itself alive. I typically work on lever guns and revolvers, so this is new to me.

Here's the meat.
As its not an overly valuable piece, the expence of replacing the hinge pin, honeing out the hole, making a new pin and all that entails along with refaceing the hooks is a bit steep for the desired results (a funtional Cowboy gun). My intention is to soft solder a shim in the face of the hooks and go from there. What else should I be looking at as I go? I understand I'll need to black down the barrels to .003-.006 above the flats and I have no issues with that aspect, but is there something else that could to bite me in the butt here?
BTW it has a dolls head, what do I do with this feature, anything, nothing?

Thanks
Rusty Marlin

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Bramble
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Reged: 29/07/06
Posts: 950
Loc: England
Re: Tightening a SXS shotgun [Re: Rusty_Marlin]
      #82214 - 11/07/07 11:35 AM

Rusty.

I did one by having the lumps industrial hard chromed. They masked off all other parts, 3 hours in the tank and I had 4 thou all over to hone back in.
Worked a treat and took out all the side slop as well. Could work for the dolls head as well but would need to be plated as a seperate item masking off all but the bearing surfaces.
Neeed to hone in with a diamond stone though, too hard for arkensas.

If its doulbe underlug then the dolls head proberbly isent doing anything anyway.

Best wishes Mark

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Rusty_Marlin
.224 member


Reged: 06/07/07
Posts: 14
Loc: Northern Neck Va.
Re: Tightening a SXS shotgun [Re: Bramble]
      #82246 - 11/07/07 10:03 PM

Turns out the dolls head isn't touching anything anyway, so I'll ignore it, right, wrong or indifferant.

I formed up a .004" shim and slipped it into the hooks and the gun came up on face perfectly.
I cleaned and fluxed the hooks, plugged the chambers and filled the tubes with water... and the solder wouldn't flow and tin the hooks. Just globbed up and created a mess. Pissed me right off. So I scrapped out the globs of solder and cleaned the surfaces back up. clamped in the shim with a steel dowel the same size as the hinge pin and packed around the lugs with soft wax then JB welded the shim in.

I'll know tonight when I take the clamp off if its going to work. If the shim pops off while I'm trimming it up... back the drawing board.

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Rusty_Marlin
.224 member


Reged: 06/07/07
Posts: 14
Loc: Northern Neck Va.
Re: Tightening a SXS shotgun [Re: Rusty_Marlin]
      #82329 - 12/07/07 10:27 PM

Well, the shim popped off during triming, CRAP! Half expected it to any way as there is no room for the epoxy in the joint.

Cleaned it all back up and was super carefull of my heat and not to smoke the flux, the hooks tinned up much better on this go 'round. I tinned a new shim and seated it by hanging 20# of lead off the ends of the clamp mandrel. Warmed everything back up till the solder flowed; the shim seated perfectly under the load.

SUCCESS!

I'm about an hour into blacking down the barrels and figure I have another hour or more to go.
I'm using a votive candle for soot (and a few prayers don't hurt either).

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Rusty_Marlin
.224 member


Reged: 06/07/07
Posts: 14
Loc: Northern Neck Va.
Re: Tightening a SXS shotgun [Re: Rusty_Marlin]
      #82553 - 17/07/07 01:22 AM

The barrels are blacked down, the forearm hagger refitted and the rear of the hooks where they rub on the forward end of the locking bar touched up to keep it from binding.

The job came out GREAT. Finished up with about 75-80% contact on the faces with the left side of the lever tip stopping just to the right of the centerline of the tang.

Should last another 100 years.

Took me about 5 hours to get the barrels down and all the other things trimmed up, a little long but not bad for my first go round. I'm very pleased with the results.

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3sixbits
.224 member


Reged: 11/07/07
Posts: 41
Loc: Alaska
Re: Tightening a SXS shotgun [Re: Rusty_Marlin]
      #82557 - 17/07/07 01:40 AM

Take pleasure in the feeling of a job well done.

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