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40 Mag Carbine

1538 Views 25 Replies 11 Participants Last post by  Zieg
AKA 10mm.

Project I've been working on for a few months. Had a bit of time to go to the range this morning and was bore sighting the carbine. Still need to put a new butt pad on her and make a grip cap for it. 18" barrel with an attempt to match the electroless nickel platting with an epoxy based spray. Was a standard stock that received a strip, carving and refinish. Originally intended to go with more of the pepper look, but decided to go with a darker brown dye.

Air gun Wood Trigger Shotgun Gun barrel


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Looks great and fun
Very nice ! I’m in the process of gathering up parts to do a 38-40 barrel stub on one I have laying around. How did you do yours , weld the lug on ?
I cheated. I permanently glued in an 18" 10mm shotgun insert I had.

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Love the stock set, very good looking rifle. I'm curious about the permanent adapter installation. Isn't there normally quite a gap between the outside diameter of the adapter and the barrel? Did you just use lots of apoxy?

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As for the "gap' I used fresh o-rings and lots of epoxy. I talked with a couple of gunsmith friends and they said that they didn't think that trying to make a steel spacer to take up the gap would be of much benefit over the o-rings once the epoxy set.

Initial range testing yesterday showed promise. I put two bullets through the same hole shooting off-hand with just being bore sighted. All the others (10) were within 2moa at 25 yards. Intention is an up to 75 yard general purpose carbine, even up to small Texas deer without the recoil of a 45-70/450 Bushmaster.

I hope to actually sight it it today. I was also testing out a Stevens 418 22LR and an 18" barrel H&R 9mm carbine that I've also been working on. The 9mm is a true turn down permanent liner into a 20 gauge Topper 88 barrel from a Green Mountain blank. The 9mm is really for my daughter, but it shows to be fun too with great promise! I may have to out another one together just for me. The allure of cheap ammo is hard to ignore.



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Very nice what was the paint? If you do one again give Steel-It a try I have used it on several times it has Stainless steel pigment in it is hard as nails you can weld on it it's used in food processing plants for machines only con is it goes on about 3mil thick so ya got to be good with your tape job. Holds up to heavy caustic cleaners. They even make it in Black stainless now. Nice job on yours. Kurt
I like that gun. Great job!
That’s very nice grain for Birch.
My first Topper conversion used a 16” Uzi barrel in 9mm and it was a blast.
Within 100 yards that 10mm will be a pig and deer on down Gitter.


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As for paint I used stainless appliance epoxy. I had some Alumuhide 2, but the appliance epoxy was closer in color. I'll look into the suggestion.

I was asked why 10mm. This started as a covid project that I'm just now finally trying to finish. It's about all I had to workwith at the time.

Thanks for the kind compliments.

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Nice, does the insert work with the ejector/extractor?
Hopefully I'll have the ejector working over the next couple of weeks. Going to try and TIG weld it first to extend the tip and regrind it to length/shape. Then if that doesn’t work I'll try and find a 223 one and modify. All else fails I'll get a gun smith out in ID to make one for me. Was just trying to keep from having to ship it half way across the country.

The 9mm conversion we did ejects the shells about 15 to 20 ft.
Can you pull the spent shell with your fingers or do you need a rod?
Very nice. Alot of people overlook the palletwood stock and what lies beneath. I have a traditional PW shotgun set that I had done by a now passed on member here, he made it an English style stock and rounded the Schnabel forend edges and the grain beneath was beautiful!
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Chief,

You can pull the spent case out with your fingernail. It has a relief cut in it for that purpose. I just want the ejector to work.

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Stew,

I've also taken a shotgun butt and shape it to look like an English style strait wrist stock and stained it remington red.
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Numrich has 22 Hornet and nickel 357 Mag ejectors in stock. I found happiness with the 357 ejector for my stub project.
Thanks for the heads up. I'll go and order some.

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Stew,

I've also taken a shotgun butt and shape it to look like an English style strait wrist stock and stained it remington red.
I love that green stained stock set on your other custom rifle. The green hornet. I'd love to have that one or one like it for sure!
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