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Old September 27, 2009, 09:37 PM   #1
Lavid2002
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How did the .410 bore shotgun get its name...

Ok quick question... How can you use a .410 bore snake in a .45 ACP pistol. I heard this at the gunstore I work at the other day. I read on wiki that guns that shoot the .410 can also shot the .45 ACP or 45 colts without a lot of modification (Taurus Judge?) SO WTH? I know .410 is NOT a .410 gauge that would make the bore SUPER wide, like a canon. Because gauge means the # of lead balls the diameter of the bore that it takes to make a lb.....but it cant be .410" can it? How can something that is .41" be the same as something that is .45" It cant.....hmmmm very confusing to me if someone could please explain I would appreciate it....Why didnt they just call the .410 a 63 gauge or something....
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Old September 27, 2009, 10:00 PM   #2
knight0334
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The 410 bore got its name from the diameter of the barrel bore, .410". Its gauge equivalent is about 67 gauge.

In 410 bore guns, you cant shoot .45acp or .45lc. ..the bore is .410" and then it gets constricted at the choke to an even tighter diameter. You cant use one in a 45acp pistol. The 45acp headspaces off the case mouth, which is at the end of the chamber towards the muzzle.

But in a few .45Colt guns, the chambered is reamed out further to accept a .410 shell. The .410 shell's outside diameter is nearly the same as a 45 Colt. Since a 410 shell and a 45 Colt both headspace off the rim, and the chamber is extended to accommodate a 410, and the 410 pressures dont exceed the 45Colts - it'll work.

The 410 derived from the old 44 shot shell. Above a certain gauge(in the upper 30's), its customary not to give them a nomenclature using "gauge".
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Old September 27, 2009, 10:03 PM   #3
darkgael
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BS nake

You can use a bore snake for a .410 in a .45 because it is smaller than the .45 bore and will pull through. It will not, however, do quite as good a job cleaning the .45 cal bore as a proper .45 cal bore snake will do. It would be much harder to pull a .45 cal bore snake through a .410 shotgun.
I suspect that the issue came about when someone decided to clean a .410/45 gun like the Judge or one of the many derringers chambered for the two. They picked up the .410 bore snake. The best choice is for the larger case - the .45.
Evidently quite a few shooters believe that the .410 and 45 Colt are interchangeable. They are not. One can chamber and fire a .410 in a 45 Colt chamber (one that is long enough) but one generally cannot chamber a 45 Colt cartridge in a .410 shotgun. And....even if one could, it'd be a bad idea to fire the .452" diameter bullet down a .410" bore.
The actual gauge of the .410 is 67.
Pete
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Old September 27, 2009, 10:16 PM   #4
Lavid2002
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OHHHHH!!! The thickness of the shotgun shell walls compensate for the difference....so the .410 shotshell is .45" wide....and when it comes down to just the shot and the wad it is only .410 and only uses a .410 bore correct?


GOT IT! Nice :P
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Old September 27, 2009, 11:01 PM   #5
knight0334
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You go by the diameter of the bore.. The .410's shell just happens to be nearly the same in diameter as the 45 Colt's which is .480" in diameter. The chamber diameter is different from the bore diameter.

A 45LC bore is about .450" and groove is about .452"-.454". A 410's wad and shotload is .410" +/-, so it will go down a 45Colt's barrel with ease.
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Old September 28, 2009, 07:53 PM   #6
PetahW
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The .410 shotshell evolved from shot loaded into a .44-40 rifle cartridge case, first named the .44XL - in the late 1800's.

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Old September 28, 2009, 08:26 PM   #7
James K
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The shot column of the .410 easily expands to fill the slightly larger .45 bore. But because of federal law, a revolver or pistol must have at least a partially rifled barrel, so the shot tends to open out more than it would from a smooth choked bore. That makes no difference in those revolvers because they aren't intended for duck hunting but for close range defense and for that purpose a .410 is pretty devastating.

Jim
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Old September 29, 2009, 01:19 PM   #8
Lavid2002
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Quote:
those revolvers because they aren't intended for duck hunting but for close range defense and for that purpose a .410 is pretty devastating.
That being said duck hunting with a revolver would be pretty bad ass
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