I haven't posted on this site in a while but I figure this worth sharing. I recently built a bolt action .500 cal rifle using an old shoot out Hex receiver Mosin I had laying around. Only real modifications that were needed was a barrel chambered for the .500SW and the magwell to be swaged to accommodate the new round. The bolt head is unmodified because the rim dia of a 54r is 14.4mm and the .500 is 14.1mm so it accepts the .500 round perfectly with no extraction problems. The barrel coat me $100 plus S&H from Green Mt Barrels which it's a 1.2" dia .500 barrel blank so it a little heavy but it helps with the recoil some.

Some other features included on this gun are a hand made solid brass trigger. Brass bent bolt handle and brass butt plate all on a walnut stock.

Here some pictures.


The pictures came in in reverse order but oh well. I'm getting 2100-2200 FPS on the chrono with 300gr FTX Hornady bullets. Out of a 27" barrel.

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That's very interesting. Have yo tried the heavier loadings? I know H&R/NEF was making single shot rifles some time ago. But this would be the first affordable repeater. Looks good. Ivan

It will hold 3 in the mag and 1 in the chamber. In total I've got about $500-600 in it with the stock, scope mount and red dot which I may swap for something higher power.

I have shot a couple 375gr HP out of it but I do have some 475g 500g and even a few 700g bullets I want to try. The guy that chambered it for me also built one if his own and is working on a 625g .50BMG wildcat for this. Which is turned down to .4995" dia and stuffed into the .500 case. We joked about a suppressor and a subsonic load with that round calling it the 500blk out.

Here's a concept pic of the bullet. Single load of course.


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Interesting project. I've long wanted to convert a M95 Styer into a left handed straight pull carbine in a more available caliber. Do me a favor though, just before your wife kills you for posting a picture of her backside on the net mention to her that I might be interested in the rifle.

Oops didn't realize she was in the shot when I took it.


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I have one of the little NEF Handi Rifles in .500 S&W. Taken a few deer with it, and found that midrange target loads with a plated HP seem to work as well, if not a bit better, that full bore factory ammo.

Neat rifle you made up!

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Ret'd LEO
SWCA #2275

Awesome post, thanks for sharing your project and photos!

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NULLI SECUNDUS

That is really cool! Did you chamber and blue it yourself?

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Mark

I my cut the chamber and threaded it for the receiver for me. But I did blue it myself trying three different cold bluing agents until one worked. Regular old perma blue which I already had didn't do a very good job on the Chrome Moly barrel so then I tried Presto Blue Mag still wasn't great and finally Super Blue did the job. I did sand the barrel down with 600grit and then 1500grit to get it really smooth before bluing so maybe that affect how the metal accepted the bluing.


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Any pics of the actual rifle before it got destroyed? Like dates? Markings?

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Nope sorry. The original barrel was counter bored and slugged at .313" which didn't work for me. Maybe if I was casting my own bullets it could have been saved. But I already have three original Mosins a 91/30, T53 restored and M39. Plus another custom Mosin with UK59 machine gun barrel on it still chambered in 7.62x54r.


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I'm not much of a metallurgist but aren't you concerned with a brass sear?

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Regards, Ron
USASA 1965/69

The sear is still steel.
See the part of the brass trigger that comes into the receiver catches the bolt from sliding out the back and the sear is the right behind that.


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I shot one of the Handi Rifle carbines in 500 S&W quite a bit. It shot just about everything through it very nicely, no load NOT giving satisfactory 'hunting' accuracy. Most loads shot a lot better than that. Even in the little lightweight single shot, the 500 gr. Hornady's were entirely manageable, and felt a lot like 45-70 on the same chassis. Maybe it helps that at my current weight, I don't 'feel' recoil like I did when I weighed 145 lbs...
I was looking at a conversion on a 1941 dated 'round receiver' last night. I think it's going to be a 'go' for me. I just don't care to set up to load the Russian round right now, and have next to nothing tied up in the Mosin.
Nice job on the conversion!

Pretty cool.........I had one rebarreled to 45/120 a few years back. Single shot of course.

Even a common date hex receiver that was counterbored would be a $300 rifle. An uncommon year or non-import marked means this could have been anywhere from $300-1,000+

Should have kept the untouched mosins for the collectors and purchased a $100 chopped up mosin for this project

Yep!

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That's about the prettiest "Mosin" I've ever seen. Nice job sir.

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Isaiah 41:10

Great job of making something you wanted out of something you didn't like. Really like it myself. Way to think outside the normal box.

Wow, but this is cooler than a fan.

I've had so many Mosins over the years . . . presently I have one that will never get touched, but one beater that might just be a candidate for such a conversion. Wow, but that's cool!

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Now go make God proud...

I hope that isn't a 1941 dated Tula. Trashing one of those would be a major crime in milsurp circles.

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Release the Kraken

I know the site of which you speak and I would post that up there just to watch 'em cycle!

"Oh no... another destroyed Mosin! Only 537 Brazillion of 'em left!"

I posted up there about wanting authentic looking repop mounts & optics for my round receiver Izshvsk and you would think I wanted to strip & ceracote a pristine M29-2.