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Old 01-31-2013, 07:51   #1
OMEGA5
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45-70 ?

I've got an opportunity to but a Marlin Guide Gun
in 45-70. With ammo being scarce and since I have
three .45LC's and ammo for them, I was wondering
if anyone knows if you can fire .45LC in a 45-70?
Thanks
Dano
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Old 01-31-2013, 08:14   #2
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Don't do it.


From Wiki-whatevertheheckitis:
.45 Long Colt:
Case type Rimmed, straight
Bullet diameter .454 (lead), .452 (jacketed)
Neck diameter .480 in (12.2 mm)
Base diameter .480 in (12.2 mm)
Rim diameter .512 in (13.0 mm)
Rim thickness .060 in (1.5 mm)
Case length 1.285 in (32.6 mm)
Overall length 1.600 in (40.6 mm)
Case capacity 41.60 gr H2O (2.696 cm3)
Rifling twist 1 in 16 in (410 mm)
Primer type Large Pistol
Maximum pressure 14,000 psi (97 MPa)
Maximum CUP 14000 CUP



.45-70 Government:
Case type Rimmed, tapered[1]
Bullet diameter .458 in (11.6 mm)
Neck diameter .480 in (12.2 mm)
Base diameter .505 in (12.8 mm)
Rim diameter .608 in (15.4 mm)
Rim thickness .070 in (1.8 mm)
Case length 2.105 in (53.5 mm)
Overall length 2.550 in (64.8 mm)
Rifling twist 1-20"
Primer type Large rifle
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Old 01-31-2013, 08:26   #3
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I agree with byf43. Too many differences to even try. Idk if you reload or not but I have not had any problems getting components for 45-70. Prally loading them for around 25 cents per round
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Old 01-31-2013, 08:50   #4
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Don't do it.
I agree.

If you want a .45Colt lever gun, get one. Ive had a number of "Trappers" in both .44 and .45 (still have a couple in .45), and they are fun, handy, and accurate little rifles.


I just picked up a Guide Gun a couple of weeks ago. Fun gun too. If youre thinking about it, I say go for it.

I also have a Ruger #3 in 45/70. Fun gun too, with the right loads. Brutal with "hot" loads.

The 45/70 is a cool round, and lately for some reason, Ive been shooting a lot of it and having a blast. Im fixing on going down and load up the 50 I shot yesterday when Im done typing here.

I reload for all three, and by doing so, its fairly reasonable to shoot them all. For the 45/70, with real pleasant loads using a 300 grain lead bullet over 14 grains of Trail Boss, and using brass I already have, its costing me just over $10 a box of 50. .45 Colt is just under $10 for 50.
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Old 01-31-2013, 09:20   #5
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You'll get case splits, which are potentially dangerous because of the very small rim on the Colt's cartridge. Expect serious blowback.

Also, extractor will not work consistently for the same reason.

I know they both say "45" on them, but they are very different in every dimension. 45 Colt's brass is not know for strength.

The good news is that 45/70 brass lasts practically forever. My main competition brass for the High Wall is fifteen years old and looks brand new.
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Old 01-31-2013, 11:07   #6
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Negative, the 45-70 case is the parent case for the 475 linebaugh, not the 45 colt. The 45-70 has a slight taper to it. 45-70 cases last a long time and with full loads you wont shoot many at once. I've had my 45-70 for many years and have used the same 50 cases the whole time i've had it.
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Old 01-31-2013, 15:06   #7
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Not to mention the accuracy would be lousy to non existent,
45 colt .452 through a 45-70 .458 boreDon't Do It. SJ 40

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Old 01-31-2013, 18:53   #8
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Plenty of .45-70 at the local Academy when I was in there this week. There doesn't seem to be much of a rush on it like other calibers right now.
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Old 01-31-2013, 19:04   #9
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The 45-70 is an impressive caliber.
It will make the 45 look worthless.

I carried one a bit when I lived in Alaska.

I sold my rifle a while back but still have some ammo. Both factory and handloads. I am very careful with my loads, especially my bear loads.

If you get the rifle PM me and we can work a deal, maybe even trade some ammo.
I need 223 brass to make some 300BLK.


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Old 01-31-2013, 22:28   #10
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DON'T DO IT!

Besides a little amount of 45-70 goes a long way compared to 223 and an AR.
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Old 02-01-2013, 07:12   #11
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Buy the .45-70!!!!!!!!
Shoot it, becuase it is one incredible round!!!


I was very fortunate, when I bought my 1895G.
There was a guy at a local gunshow, and when I asked about brass, he said that he had a 55 gallon drum full of .45-70 brass.

We talked for a bit, and he offered some of this once-fired brass to me.

He said, "How does $20.00 a hundred, sound??"

I replied, "I'll take 500 pieces, please!"
Picked them up, one week later!!!
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Old 02-01-2013, 08:07   #12
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Thanks everyone. 100% DON'T DO IT pretty much
tells the story and it's the reason I asked.
Appreciate all the replies. Haven't made up my mind
to get it or not. I like to keep my caliber/ammunition
consolidated and I've got more than enough different
calibers now I told him last night that if he
got an offer, not to hold out cause of me.
We'll see. It's a Blue one, if it was the Mat-Stainless,
I'd get it.
Anyway, thanks again,
Dano
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Old 02-01-2013, 08:30   #13
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Can I tell you guys my old friend has a Marlin lever gun in 45-70 that he bought new... must be 20 years ago.

Great piece, hits hard! Hits the shoulder hard as well...haha!
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Old 02-01-2013, 08:52   #14
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On a related note, would it be possible to shoot .44 Magnums/Specials from a lever gun chambered in .444 Marlin?
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Old 02-01-2013, 10:27   #15
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Quote:
Originally Posted by badge315 View Post
On a related note, would it be possible to shoot .44 Magnums/Specials from a lever gun chambered in .444 Marlin?

I THINK this will be the same comparison as .45 LC to .45-70 "Gummint".

From wikiwhatevertheheckitis:

.44 Remington Magnum:
Parent case .44 S&W Special
Bullet diameter .429 in (10.9 mm)
Neck diameter .457 in (11.6 mm)
Base diameter .457 in (11.6 mm)
Rim diameter .514 in (13.1 mm)
Rim thickness .060 in (1.5 mm)
Case length 1.285 in (32.6 mm)
Overall length 1.61 in (41 mm)
Primer type Large pistol
Maximum pressure 36,000 psi (250 MPa)


.444 Marlin:
Bullet diameter .429 in (10.9 mm)
Neck diameter .4530 in (11.51 mm)
Base diameter .4706 in (11.95 mm)
Rim diameter .5140 in (13.06 mm)
Rim thickness .0630 in (1.60 mm)
Case length 2.250 in (57.2 mm)
Overall length 2.55 in (65 mm)
Rifling twist 1-38" or 1-20" (more common)
Primer type large rifle

It seems the case would not be supported by the chamber, when fired (chamber MUCH larger than case diameter) and case(s) would split.
I'd also be concerned with eroding the chamber/forcing cone of the .444.

Again. . . not certain, but, "I" wouldn't do it.
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Old 02-01-2013, 12:05   #16
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The .45-70 is an awesome round, but it's a.458" diameter. .45 Colt bullets are .451-.452, sometimes as much as .454, but even if it could be done, accuracy would be terrible but honestly I don't think you can do it anyways. The .45-70 isn't straight walled like the .45 Colt is, it has a little bit of a taper and is even fatter near the base so I'm assuming it wouldn't work. I've never heard of anybody doing it.

There are 454 Casull lever guns that you can shoot .45 Colt out of however.
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Old 02-01-2013, 17:19   #17
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Quote:
Originally Posted by OMEGA5 View Post
I've got an opportunity to but a Marlin Guide Gun
in 45-70. With ammo being scarce and since I have
three .45LC's and ammo for them, I was wondering
if anyone knows if you can fire .45LC in a 45-70?
Thanks
Dano
AFAIK, not the same bullets.
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Old 02-02-2013, 10:46   #18
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Thanks everyone. It's a moot point for me now
anyway. Spent my mad money on a LC9 w/ CT
laserguard. $425 was just to good of a deal to
pass up.
Dano
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Old 02-02-2013, 12:43   #19
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Quote:
Originally Posted by OMEGA5 View Post
Thanks everyone. It's a moot point for me now
anyway. Spent my mad money on a LC9 w/ CT
laserguard. $425 was just to good of a deal to
pass up.
Dano
If you are not going to reload, then best stay with 9mm.
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Old 02-02-2013, 12:46   #20
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Quote:
Originally Posted by badge315 View Post
On a related note, would it be possible to shoot .44 Magnums/Specials from a lever gun chambered in .444 Marlin?
You can use the bullets, not the cartridges. You can use the same bullet mold to produce bullets for both cartridges.

It's obvious that you don't reload. Best advise is that you get the book "ABC's of Reloading" and get started.
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