Machinegun barrel

Blastattack

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Can anybody tell me what this is and how much it is worth?

Barrel is chambered in 7x57
23-7/8" long
Threads are .936 x 16TPI x .625 long
Bore is absolutely pristine.

I'm thinking 1919 barrel, but I haven't seen anything else that looks the same as this.

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it's 1919a4, you should recheck the chamber size 7.62x51 and 3006 are the norm. don't recall any one running 7x57 ?

It is definitely 7x57. Bore is absolutely a 7mm and the distance to the shoulder is right for a 7x57. Trust me, we tried 7.62 NATO, 30-06 and .303, and none of them fit right. .270 dropped in most of the way and a 7x57 sat perfectly, with about 1/8" of casehead protruding and a little bit of wiggle.
 
Brownings were made and used in various places. Haven't heard of 7x57, but that doesn't mean they weren't made in that caliber.
 
The "squared" notchs look like the Israeli cuts on their barrels vs the rounded ones I have seen in the CF.
 
had a look. ,Colombia, Costa rica, El salivador, Guatemala, and Serbia all used 1919a4s and 7x57 Mausers . take your pick as to who converted it.
 
That would have been ideal for conversion to the 7.92x63 swede that was so plentiful a few years back for super cheap. However, these days it has pretty much all ended up in permanent homes.

Is the barrel chrome lined? Makes a big difference wrt suitability for re-chambering.
 
That would have been ideal for conversion to the 7.92x63 swede that was so plentiful a few years back for super cheap. However, these days it has pretty much all ended up in permanent homes.

Is the barrel chrome lined? Makes a big difference wrt suitability for re-chambering.


His barrel is in 7mm, not 8mm which be fine for the 7.92x63 conversion.

There were lots of browning 1919s converted to just about every standard dimension cartridge used by most militaries.

I've seen them in 7x57(Brazil), 8x57(Africa), 30-06, 303Brit, 7,62x54R, 7.62x51 as well as others.

This shouldn't come as a surprise. There is a whole big world outside of North America and when they see something that is almost bulletproof under battlefield or even just field conditions, they buy it, copy it or adapt it to their purposes.

Nice barrel to use as the basis of a heavy bench rest rifle. Especially if the bore is consistent and of acceptable diameter. Many machine gun barrels, tend to be slightly oversize. Back in the day, when they could be had for under $10, we would buy them up 50 at a time. Slug all of their bores and save the perfect to standard bores for BR builds. The others were usually acceptable for recontouring to sporter dimensions. Lots of work, lots of fun and the barrels we used on the BR rifles were close to being free after all was said and done.
 
That would have been ideal for conversion to the 7.92x63 swede that was so plentiful a few years back for super cheap. However, these days it has pretty much all ended up in permanent homes.

Is the barrel chrome lined? Makes a big difference wrt suitability for re-chambering.
I think 7.92x63 was one of the calibre's the Swedish converted them to, along with 6.5x55.
 
I think 7.92x63 was one of the calibre's the Swedish converted them to, along with 6.5x55.

Yes. The Swede barrels showed up at Sarco a few years ago. They were a much skinnier barrel, and of course the US had no access to that caliber. So Sarco was dumping the barrels for somewhere around $30 each, and not mentioning the "63" part of the caliber when they were advertising the barrels.
 
"...and half of South America..." Some in the Middle East too, as I recall. Stampings won't help much(don't think any South American countries made their own MGs), but it wouldn't hurt to look at one of the proof mark sites.
 
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