Author Topic: 1873 Uberti in 44 mag. + toggle-link strength  (Read 70068 times)

Offline RedBaron

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1873 Uberti in 44 mag. + toggle-link strength
« on: January 20, 2010, 03:23:37 PM »
Since joining this forum, and reading others, I keep hearing about the inherent weakness of the toggle-link action in the 73 + 76.
If it is so weak, how can Uberti chamber a 73 in the 44 mag. Your thoughts...

Offline shieldsmt

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #1 on: January 20, 2010, 03:28:10 PM »
They don't.

.45colt

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #2 on: January 20, 2010, 03:55:27 PM »
 Yep, it's on the Uberti website for '10. Alot of shooters are scratchin their heads wondering How? ???.
http://www.uberti.com/firearms/1873_rifle_and_carbine.php

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #3 on: Today at 09:27:26 AM »

Offline shieldsmt

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #3 on: January 20, 2010, 05:13:15 PM »
Wow, it's on the site.  Typo? 

Offline Barbarossa

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #4 on: January 20, 2010, 09:17:18 PM »
Nope not a typo ,new gun just out.

Offline Shotgun Franklin

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #5 on: January 21, 2010, 06:15:12 AM »
It's possible to beef up the action. I'm not sure why you'd want a '73 in .44 Mag? There are stronger actions and the only use I can think of would be for hunting. The Cowboy shooters whom I've seen using .44 Mag all used a very down loaded version.
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Offline RedBaron

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #6 on: January 21, 2010, 07:26:11 AM »
Loaded down, strengthened, or whatever, Uberti would not sell a 73 that would not handle 44 mag factory loads. That is the point.  Even if the action has been modified, it is still a toggle-link.

Offline Silver_Rings

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #7 on: January 21, 2010, 10:07:26 AM »
The Luger pistol is also a toggle link design and seems pretty strong to me.  Where is the data to support the Win toggle is a weak design and that it wasn't just the metal used in the design in the 1800'S?

Just curious.

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Offline RedBaron

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #8 on: January 21, 2010, 11:47:47 AM »
The "data" is what I have read on this forum,  specifically when smokeless loads are mentioned.  Also, I called the Hodgedon tech line, asking about H4895 in the 45-60 WCF (Uberti), and the tech spent the entire time telling me that toggle-links were extremely weak and prone to "blowing up".  Originals and repro's.  I even went to look in my safe to see if mine had blown up just sitting there.

Offline Trailrider

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #9 on: January 21, 2010, 12:46:50 PM »
The "data" is what I have read on this forum,  specifically when smokeless loads are mentioned.  Also, I called the Hodgedon tech line, asking about H4895 in the 45-60 WCF (Uberti), and the tech spent the entire time telling me that toggle-links were extremely weak and prone to "blowing up".  Originals and repro's.  I even went to look in my safe to see if mine had blown up just sitting there.

You simply are NOT going to get any powder or ammo maker to give you a blanket okay (or even a partial okay, depending on the gun) to shoot smokeless powder, except to the loads they specify in their published manuals.  Their product liability is too high.  That does NOT mean I'm contradicting the individual you talked to (nor can I assume any responsibility for the use of such loads in guns not my own...usual disclaimer).

While it is difficult to sue foreign manufacturers for defects in design, manufacture, etc., I would suspect that the importers into this country would make danged sure that whatever they are selling is safe.  Obviously, Uberti has done some redesigning of the '73, to enable them to accomodate .44 Magnum loads that meet SAAMI standards, i.e., factory loads or lighter.

I would NOT be surprised if the .44 Mangle-'em guns are a bit stiffer out of the box than previous models, for the reasons of fit-up I stated in my previous post.  As to the toggle link action being inherently "weak", I would point out that not only did the Luger Parabellum 1908 use a toggle link, but so did the Swarzlose M1913 design, and the Pedersen, which was designed to use a .276 cartridge, but later modified to .30-06 because of then Chief-of-Staff of the Army Douglas MacArthur's edict of sticking to the .30-06 cartridge.  Although these rifles were semi-automatic, and operated on the delayed-blowback principle, they obviously weren't weak per se.  (See "Book of the Garand" by Gen. Julian Hatcher.)  Be interesting to see what the new Uberti '73's look like inside, though I have no present intention of buying one in that caliber...at present!  ::)
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Offline Joe Lansing

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #10 on: January 21, 2010, 06:09:17 PM »
    When is some responsible engineering lab lab going to pick a few rifles randomly from the market place (like Consumers Union), 66's, 73's, and 76's, and keep working up the loads until they either blow the gun or give up? They do this with cars.

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Offline Shotgun Franklin

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #11 on: January 21, 2010, 06:50:54 PM »
You can beef up a toggle link. The '76 is a toggle link action. I figure that CAS is the biggest market for  a '73. If there are enough shooters who want a '73 .44 Mag, which will likely be used with lighter loads, then someone coming out with a .44 Mag '73 may turn out to be a good move. As a broad rule, heavier actions tend to be harder to tune. I'd expect the price for tuning a .44 will be higher or harder to do.
Is a '73 available in .44 Spl? I think so. A .44 Spl would be easier to load lighter and could be shorter while still holding at least 10 rounds.
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Offline Joe Lansing

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #12 on: January 21, 2010, 10:16:00 PM »
    We can't assume that the 44 mag is beefed up. It may be that the standard new 73's are strong enough, or they have enhanced the materials of construction (as was the case when the Ishapore Enfields went from 303 British to 7.62 nato.).
    The only pictures of a toggle rifle that blew up that I have seen was a '76(original) that had a double dose of smokeless. As I recall, the barrel burst, but the breech held.
    I guess we'll just have to wait 'till someone gets a 44 mag and compares it to a regular '73 and posts their observations. Don't forget that truth can be stranger than fiction.

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Offline shieldsmt

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #13 on: January 22, 2010, 11:12:27 AM »
I read this with amusement.  I've got a Uberti '73 in 44wcf (44-40), caliber it was introduced with.  It feeds flawlessly, is accurate, has plenty of thump to kill deer and antelope with authority.  I started out loading with harder 200 gr. lead using Unique powder.  After 100 rds I went to 3fg black and soft lead 200's and never turned back.  Every deer, antelope and rabbit taken was taken with black.  It's what this gun was designed with and performs admirably.  I'm not saying it is stupid to want the gun in a modern caliber that didn't even exist in anyones mind back in the day, but to me - it really seems to be on par with putting a new 6.0Liter Chevy engine in a 67 Plymouth Valiant.  It can be done, sure, but why?  Modern cartridge in a modern gun, like a Marlin.  The Ishapore Enfield going from 303 Brit to 308 made sense, they were tooled to build these rifles, 308 became the free worlds 30 cal. and they had forces to arm cheaply.  If they are safe, and Uberti can sell them God bless them, we all want the firearms industry to survive and prosper.  I just can't see it personally.

Offline FriscoCounty

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #14 on: January 22, 2010, 11:35:09 AM »
Has anyone compared the SAAMI max CUP for .357 Mag and .44 Mag?  It is 48.9K for the .357 Mag and 41.9K for the .44 Mag
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Offline Grizzly Adams

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #15 on: January 22, 2010, 12:03:53 PM »
Interesting to note that they put a shotgun butt stock and recoil pad on this one, so I guess they're serious. ;)

One of the things to keep in mind is that Uberti Arms, and all other Italian makers, are required by law to have their products proofed by the Italian government in state owned proof houses.  The proof loads used in Italian proof houses exceed those used in this country.   If Uberti marks their new 73 for 44 mag, then it is proofed and meets SAAMI standards for the 44 mag or they would not be allowed to export it - their rules, not ours.

One of the improvements necessary to make this possible, is the strengthen design of the bolt and firing pin assembly, which now uses the "key" to retain the firing pin extension, rather than the wimpy cross pin in the early design, which could, on rare occasions,  shear.  The "Key" is also used in the 76 Uberti.  Much stronger set up and more like the original Winchester.



I have never seen pics of any blown 73 or 76 that resulted in collapsed links - only burst breeches and barrels.

My only question is why?  I don't like the 44 mag in any light weight carbine! :D

Now as to the question of why we keep smokeless loads for the 76 on the mild side of things, it is primarily because we are on untested ground, and must proceed slowly and cautiously until more data is confirmed, either by field trial or in a lab.
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Offline Joe Lansing

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #16 on: January 22, 2010, 12:29:37 PM »
    I am not about to run out and buy myself a 44 mag. '73, or am I going to start loading 44-40's through the roof....but I am ready to take comfort in learning that my Uberti '73 has a greater safety margin in its strength.
    The 44-40 use to be factory loaded with a MV of about 1320 fps from a rifle and 930 fps from a 7.5" barrel pistol. This changed some years ago with revived interest in 44-40 as a pistol cartridge...it had been too hot for casual or cowboy shooting. Also it has been a source of frustration to have a smokeless load suitable for both rifle and pistol, unless all you're interested in is punching holes in paper. All that makes me happy is a smokeless 44-40 load that gives me the 1320 fps from my rifle and without worrying about blowing up a pistol. Thank God for handloading!
     I'm kind of old fashoned....the only reason I  have a 38 special Yellowboy (bought back in '68) is that it wasn't available in 44 RF, but I'm getting too old and tired of scrubbing out my spent cartridge cases.

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Offline RedBaron

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #17 on: January 23, 2010, 02:55:43 PM »
The whole point of my original post was not to question the merits of the 44 mag caliber in the 73. It was to consider that IF the action HAS NOT been altered, that maybe the toggle-link in a modern repro, is stronger than  we think. That might bring into question the very-very weak smokeless loads that we have debated.

Offline Grizzly Adams

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #18 on: January 24, 2010, 12:40:17 AM »
Now as to the question of why we keep smokeless loads for the 76 on the mild side of things, it is primarily because we are on untested ground, and must proceed slowly and cautiously until more data is confirmed, either by field trial or in a lab.

The new reproductions are stronger than the originals.  How much, is yet to be determined.  The fact that Uberti is chambering the 73 in 44mag is just one indicator of where we are.  Perhaps we are being overly cautious, but that is a good thing, given the lack of proven data for the 76.  We have a number of very knowledgeable folks working with these rifles now, and we are learning a lot about their potential. :)
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Offline Shotgun Franklin

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Re: 1873 Uberti in 44 mag. + toggle-link strength
« Reply #19 on: January 24, 2010, 09:08:31 AM »
Maybe some Gun Writer will give us a real in depth article and cover some of our questions. Uberti knows the truth for sure.
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