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45-70 penetration ? #16345496 08/15/21
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Hesp Online Content OP
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Fired a bullet from my RCBS 405gr GC mold cast from WW. Fell from the mold at 422grs. GC applied & PC'ed. From the 24" Bbl of my Marlin 45-70 XLR 24" Bbl right at 1500fps. Shot into the end of a month old Spruce log of about 8 to 10 lbs. Bullet, 10.5 BHN. Range 80 yds. At the shot the log flew back a good 3 to 4 ft. Had the log been anchored in place I'm sure the bullet would have penetrated deeper. Not trying to prove anything. Just showing what happened. Make your own [Linked Image from i.postimg.cc]conclusions. [Linked Image from i.postimg.cc][Linked Image from i.postimg.cc]

Last edited by Hesp; 08/15/21.
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Re: 45-70 penetration ? [Re: Hesp] #16345665 08/15/21
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They will go further than most folks think.

At 100 yards they still don't quit.

Re: 45-70 penetration ? [Re: Hesp] #16345959 08/16/21
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In 1881 the US Army went to the 500 grain RN bullet for increased penetration at long distance. As I recall, their test was to penetrate 5" of live oak at 1000 yards.

Re: 45-70 penetration ? [Re: Hesp] #16346102 08/16/21
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Nice, and they'll punch a heck of a lot deeper in hide, meat and bone, i love the round


Trump Won!
Re: 45-70 penetration ? [Re: WStrayer] #16346107 08/16/21
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Originally Posted by WStrayer
In 1881 the US Army went to the 500 grain RN bullet for increased penetration at long distance. As I recall, their test was to penetrate 5" of live oak at 1000 yards.


Dont remember if it was the 1881 Saeco 500 gr grease groove bullet or the big 530gr Lyman, but one was developed to shoot through the horse killing the indian sneaking along the other side.


Trump Won!
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Re: 45-70 penetration ? [Re: Hesp] #16347458 08/16/21
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45-70, after all these many years, is still a terrific cartridge!

Guy

Re: 45-70 penetration ? [Re: Hesp] #16347508 08/16/21
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Years back Brian Pearce wrote about a Cape Buffalo hunt with the Marlin 1895 loaded with the old CorBon 405 Penetrator Solid (discontinued) load at 1,650 fps. His chronograph read out at 1700 fps or so for that load. He proceeded to shoot a herd bull and to his surprise it passed through and struck a matriarch cow and passed through her as well. The PH was awestruck at the penetration of a 405 grain bullet at 1700 fps. Does that help?

Re: 45-70 penetration ? [Re: Cascade] #16348520 08/16/21
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Originally Posted by Cascade
45-70, after all these many years, is still a terrific cartridge!

Guy


Understatement right there. It is a pile of fun too. Never had something that could be loaded for so much fun and then loaded to serious business sorta loads. Just a great thumper.


Semper Fi
Re: 45-70 penetration ? [Re: Hesp] #16349072 08/17/21
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Try Lyman's #457102 bullet made with linotype or 50 / 50 babbit metal - wheel weights, a whole bunch IMR 3031 or IMR 4064. I doubt there's anything on this continent that it won't shoot trough.


"Whensoever the General Government assumes undelegated powers, its acts are unauthoritative, void, and of no force." --Thomas Jefferson

Re: 45-70 penetration ? [Re: Hesp] #16442627 09/17/21
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For real penetration with a .45-70, try our method of vetting bullets for an Elephant hunt.

Target = 5/8 inch steel plate
Rifle = 1886 .45-70
Bullet= 450 grain Punch
Velocity of load= 1800-1900 fps
Range = 50 yards
Process = Fire

Result 1 = .458 daylight hole in plate
Result 2 = frontal brain shot went through head into body = DRT


CRS, NRA Benefactor Life Member, Whittington Center, TSRA, DWWC, DRSS
Android Reloading Ballistics App at http://www.xplat.net/
IC-B

Re: 45-70 penetration ? [Re: Hesp] #16445458 09/18/21
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Awesome, but not real unless you have pics lol

Re: 45-70 penetration ? [Re: crshelton] #16445601 09/18/21
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memtb Online Content
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Originally Posted by crshelton
For real penetration with a .45-70, try our method of vetting bullets for an Elephant hunt.

Target = 5/8 inch steel plate
Rifle = 1886 .45-70
Bullet= 450 grain Punch
Velocity of load= 1800-1900 fps
Range = 50 yards
Process = Fire

Result 1 = .458 daylight hole in plate
Result 2 = frontal brain shot went through head into body = DRT




Steel plate is fairly accessible! I’ll be looking at EBay and Amazon for an elephant! 😂 memtb


You should not use a rifle that will kill an animal when everything goes right; you should use one that will do the job when everything goes wrong." -Bob

~Molɔ̀ːn Labé Skýla~

“LETS GO BRANDON”
Re: 45-70 penetration ? [Re: Hesp] #16445633 09/18/21
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memtb,
If your bullets shoot through the steel plate, it will make a believer of you! I did take pix of the holes in the plate, but that was years ago and they have probably disappeared.


CRS, NRA Benefactor Life Member, Whittington Center, TSRA, DWWC, DRSS
Android Reloading Ballistics App at http://www.xplat.net/
Re: 45-70 penetration ? [Re: Hesp] #16445636 09/18/21
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memtb,
If your bullets shoot through the steel plate, it will make a believer of you! I did take pix of the holes in the plate, but that was years ago and they have probably disappeared.


CRS, NRA Benefactor Life Member, Whittington Center, TSRA, DWWC, DRSS
Android Reloading Ballistics App at http://www.xplat.net/
Re: 45-70 penetration ? [Re: crshelton] #16445870 09/18/21
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memtb Online Content
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Originally Posted by crshelton
memtb,
If your bullets shoot through the steel plate, it will make a believer of you! I did take pix of the holes in the plate, but that was years ago and they have probably disappeared.



I’m not doubting the ability of the 45-70 with a bullet of decent hardness to penetrate a 5/8” plate of mild steel or of your tests! My post was a missed attempt at humor.... hence the emoji at the end of the post! memtb

Last edited by memtb; 09/18/21.

You should not use a rifle that will kill an animal when everything goes right; you should use one that will do the job when everything goes wrong." -Bob

~Molɔ̀ːn Labé Skýla~

“LETS GO BRANDON”
Re: 45-70 penetration ? [Re: Hesp] #16448661 09/19/21
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mmm Maybe I have been taking this stuff too seriously! I will try to do better.


CRS, NRA Benefactor Life Member, Whittington Center, TSRA, DWWC, DRSS
Android Reloading Ballistics App at http://www.xplat.net/
Re: 45-70 penetration ? [Re: crshelton] #16449325 09/19/21
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memtb Online Content
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Originally Posted by crshelton
mmm Maybe I have been taking this stuff too seriously! I will try to do better.


👍 😁 ! memtb


You should not use a rifle that will kill an animal when everything goes right; you should use one that will do the job when everything goes wrong." -Bob

~Molɔ̀ːn Labé Skýla~

“LETS GO BRANDON”
Re: 45-70 penetration ? [Re: Hesp] #16536432 10/17/21
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No pix yet of the steel plate, but here is one of the ele:
[Linked Image from jpgbox.com]


CRS, NRA Benefactor Life Member, Whittington Center, TSRA, DWWC, DRSS
Android Reloading Ballistics App at http://www.xplat.net/

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