Question on revolver chambering

Boy, some punctuation, periods and commas would help us understand what you're asking! A run-on sentence makes no sense, try again.:banghead:

Trying to get educated, since the S&W 460 mag can chamber the 460, 454 casull and the 45LC, can the Mag. Research BFR chambered for the 45LC and the 3".410 shell also chamber the 454 or 460?

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Only if you want to turn the gun into a grenade.

No!

Chamber 460 Mag and 454 Casull? Probably. Safely shoot? Not a chance.

The 460 Mag generates nearly 60,000 psi and the Casull 50,000 psi of chamber pressure. The SAAMI maximum pressure for a 45 Colt is 14,000 and for a .410 / 3" it's 13,500 psi. Thus, the gun is probably designed for under 20,000 psi. As a side note, the 375 H&H Mag SAAMI is 62,000 psi, so the 460 Mag is in a very special league.

I can echo what the previous posters have communicated. Chambering the 460 S&W in a BFR will turn it into a fragmentation grenade.

I actually expect some idiot (actually multiple idiots) to put the 460 SW Mag in their new Governor shotgun revolvers and blast themselves into the void of the unknown. Of course, their families will sue and hilarity will ensue.

Actually, the BFR is a very strong five-shot and would probably live through it unscathed. In .45Colt it is certainly strong enough for custom five-shot loads in the 50-55,000psi range.

Magnum's Big Frame Revolver

can the Mag.Research BFR chambered for the 45LC and the 3".410 shell also chamber the 454 or 460?

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You should ask the maker of the firearm. Check the SAAMI drawings here for chambers. http://www.saami.org/specifications_and_information/index.cfm?page=CC

Magnum's Big Frame Revolver, the first and only revolver ever offered by Magnum Research, is carefully crafted in the U.S.A. The all-stainless steel BFR is built to close tolerances to handle the pressure of true big-bore calibers - .45/70, .480 Ruger/.475 Linebaugh, .450 Marlin, .500 S&W, .50AE, .444 Marlin, .30/30 Winchester, .45 Long Colt/.410 (not for sale in CA), and the new .460 S&W Magnum - as well as .454 Casull.

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I actually expect some idiot (actually multiple idiots) to put the 460 SW Mag in their new Governor shotgun revolvers and blast themselves into the void of the unknown. Of course, their families will sue and hilarity will ensue.

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I expect that, like other Smith revolvers, they are designed to fail in a certain way so that any fragmentation and blast effects are directed away from the shooter's face. No doubt it will happen, and I'm sure a few Smith engineers anticipated this.

Actually, the BFR is a very strong five-shot and would probably live through it unscathed. In .45Colt it is certainly strong enough for custom five-shot loads in the 50-55,000psi range.

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While they are robust revolvers, it's unlikely that every one is designed to safely fire every ctg made. And even if they can withstand 50,000 psi, that barely meets .454 Casull criteria and won't take .460 Mag. To chamber a round in a gun not expressly designed for it is beyond insane.

To chamber a round in a gun not expressly designed for it is beyond insane.

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I agree and would NEVER recommend doing so but I would bet the farm against the claims that the gun would grenade. BFR's are built on the same frame size when chambered in .454Casull, which operates at a maximum of 65,000psi, not 50,000. The .460 runs at the same pressure, it is simply longer and is chambered on the identical frame as the .45/.410 version. The reason the five-shot .45's are run at 50-55,000psi is not because of the strength of the guns or the brass but because there is very little practical reason to run the at .454 pressures. Even most .454 factory loads are in the 50-55,000psi pressure range.

So no, I would never recommend shooting .460 cartridges in a .45/.410 BFR but I strongly disagree that doing so would damage the gun.

To assume it's OK because the cylinders are the same size seems kind of risky.
There may be other factors like metallurgy and proof testing.
I bet you could download the owners manual and read what BFR says about it.

If you do run a 460 round through a gun not rated for it, and the gun doesn't "blow up", but is damaged, you will be voiding the warranty in all likelyhood. They will say you abused the gun if it is damaged, and you will be fixing it on your own dime. If the worst were to happen, and someone did get hurt, I doubt very much that any gun manufacturer is going to dish out any $ if you did something like this.

It's not worth the risk. If you want to shoot 460's, then save your money and buy a gun meant to do so.

Magnum Research has a really good page on this answering a lot of questions.

Since .460 S&W is just the same as .45 Colt only longer (and more powerful and taxing to the gun!), and .45/.410 is also an elongated .45 Colt chamber, it seems like it would possible to build a .460/.410 chambering around the length of the .410 shotshell and the pressure specs of the .460 cartridge. That way you could defend yourself against snakes and black bears with the same revolver. (Whether you can be menaced by venomous snakes and bears in the same STATE is another question.)

Is someone going to do that? I don't know; I don't know if it would be practical but I bet it would be possible (not the same thing!)

In any case, for the time being I would forget all about the "megapowerful cartridge in a shotshell revolver" idea.

460/410

alot of clearing up needs to be done hear. to many people comenting who know nothing of magnum researches bfr. the bfr comes in two frame sizes, big, and freakin big. the 460 does have a 3 inch cylinder, therefore should shoot 410. i do own a 45 colt/410 bfr, it has had the cylinder forcing cone ring lengthend to accept 460 rounds. it shoots perfectly safe, and fun. now mine has a 5.25 inch barrel and no choke tube. one less thing to worry about. of course the choke needs to removed to shoot revolver cartridges iff so equipt. the frames on bfr's are all super strong. the main difference between 45c/410 and 460 is the barrel twist rate. 45/410 being 1 in 20, and the 460 sw being 1 in 16. so there you have it, have fun and be safe.

oh, i forgot, it will also shoot the old 45 sw schofield cartridge. its fun to put one of all 5 in each chamber.