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Author Topic: 45-70 Throat  (Read 970 times)

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Offline TedH

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45-70 Throat
« on: August 01, 2012, 01:54:56 AM »
I had been shooting a lot of cast bullets from my 45-70 Handi when I first got it with great results.  Then I loaded some of my favorite 45-70 bullets, the 400 gr. Speer, and found they were too fat to easily chamber in my Handi's short throat.  Sent an email to quickdtoo, and a couple days later the 45-70 throater showed up in my mailbox.  After a short session in the shop with the reamer, my Handi now accepts the Speer bullet, and every other 45-70 bullet I have on hand.  Cant wait to get to the range this weekend and try it out. 
 
A big thanks to quickdtoo, and the forum!  8)
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Offline quickdtoo

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Re: 45-70 Throat
« Reply #1 on: August 01, 2012, 03:10:05 AM »
You're welcome, glad we helped!  ;)

Tim
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Offline 45-70.gov

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Re: 45-70 Throat
« Reply #2 on: August 01, 2012, 03:16:15 AM »
i got a reamer from him for the 357 max
it  is a really good thing  quick   does this stuff for us


[size=78%]i had the same problem[/size]
[size=78%] just seated  my bullets deeper  in the 45-70[/size]
[size=78%]this round has more case capacity tan  i need any way[/size]
[size=78%]some factory loads touch the lands  in  my rifle[/size]
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Offline Jimbow4570

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Re: 45-70 Throat
« Reply #3 on: August 01, 2012, 12:30:55 PM »
Ok..on this same subject. I don't want to throat my 45-70. Is there a "minimum" OAL for a single shot rifle?
If I keep the bullet off the lands AND have NOT compressed the powder charge??
With a charge of say...45 grains of RL 7 with a Hornady 350 gr. RN?
 
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Offline quickdtoo

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Re: 45-70 Throat
« Reply #4 on: August 01, 2012, 01:54:28 PM »
The Hornady 6th lists RL7 at 45gr and the RN COL at 2.550" as a mid high 40kcup levergun or start load in the Ruger #1 data, if you go shorter than that, it's just like increasing the powder which increases pressure, going longer has the opposite affect decreasing pressure. If you have to seat very much shorter, it may be wise to start a little lower and work up, levergun start for RL7 is 38.3gr. FWIW, loading into the lands increases the start pressure, Quickload warns that it increases by 7200psi.  ;)

Tim
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Offline tacklebury

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Re: 45-70 Throat
« Reply #5 on: August 01, 2012, 02:25:24 PM »
Well, my goto load for the .45-70 is the 350 gr. Hornady FP seated just past the cannelure with 48 gr. RL7.  I've shot a couple hundred of these with zero issues in my BC and it's super accurate.  My COL is 63mm even and it clears my BC's short throat.  ;)
 
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Tacklebury --}>>>>>    Multi-Barrel: .223 Superlite, 7mm-08 22", .30-40 Krag M158, .357 Maximum 16-1/4 HB, .45 Colt, .45-70 22" irons, 32" .45-70 Peeps, 12 Ga. 3-1/2 w/ Chokes, .410 Smooth slugger, .45 Cal Muzzy, .50 Cal Muzzy, .58 Cal Muzzy

also classics: M903 9-shot Target .22 Revolver, 1926 .410 Single, 1915 38 S&W Break top Revolver and 7-shot H&R Trapper .22 6" bbl.

Offline tacklebury

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Re: 45-70 Throat
« Reply #6 on: August 01, 2012, 02:37:06 PM »
Another good one that's a little destructive on meat though for hunting is Hornady's 300 gr. HP.  I get sub moa groups with my irons with them at 100 yards and keep it under 6" at 250 yards if I do my part.  I don't really care for the damage they did though, albeit the deer didn't move, lol.  This fits nicely in the short throats though also.
 
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Tacklebury --}>>>>>    Multi-Barrel: .223 Superlite, 7mm-08 22", .30-40 Krag M158, .357 Maximum 16-1/4 HB, .45 Colt, .45-70 22" irons, 32" .45-70 Peeps, 12 Ga. 3-1/2 w/ Chokes, .410 Smooth slugger, .45 Cal Muzzy, .50 Cal Muzzy, .58 Cal Muzzy

also classics: M903 9-shot Target .22 Revolver, 1926 .410 Single, 1915 38 S&W Break top Revolver and 7-shot H&R Trapper .22 6" bbl.

Offline Jason F

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Re: 45-70 Throat
« Reply #7 on: August 02, 2012, 07:21:19 AM »
I been loading the 300 hornady hp in my 45-120, somewhere around 27-2800 fps havnt tried it for deer hunting yet. Here is one next to my 45-70 with a 405 hb
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handi rifles- 22 mag      22 hornet    223      7mm-08      308 chip shot     30-30 x2     30-06 shorty      358 cheez whiz     357 max     35 remington     375-08    410 rifled slug     454 casull     460 s&w     45 smokeless muzzleloader x2     45-70    50 huntsman    50-70 government shikari     20 ga.ush     12 ga.ush    12 ga.3 1/2     10 ga.imp.cyl. slug gun

Offline Jimbow4570

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Re: 45-70 Throat
« Reply #8 on: August 02, 2012, 01:13:40 PM »
I thought the H&Rs were in the Ruger #1 catagory for PSI ?
We can shoot the Garrett cartriges listed for the #1 on his website.....Am I wrong?
I have shot 50 grains in my 45-70 H&R with the 350 gr. and the empty cases just fell out and no signs of pressure....COAL (I think) 2.480..ish......(kicked like a mother though)
I don't want to ream my barrel...but I don't want to blow it up either
 
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"Teach a man to fish and he feeds himself for life...give a man welfare and he will go fishing while YOU go to work"

Offline tacklebury

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Re: 45-70 Throat
« Reply #9 on: August 02, 2012, 02:42:29 PM »
I've taken RL7 up to the top ruger load of 52gr. with the 300 gr. HP and had no issues.  Not even flattened primers.  When standing though, it'd push me almost off my feet to the point I'd lose my balance and I'm not a small man at 6' tall 240 pounds.  50 gr. Shot the closest group with a C-C of .875" at 100 yards.  47 gr. was next with that bullet at just under 1", so I went with 47 gr. to keep my feet.  I shot about a 120# buck broadside at about 50 yards and the bullet came out the back side bigger than my large fist.  It vaporized 2 ribs going in, 3 vertebrae and 5 ribs coming out, not to mention it completely annhiliated almost 5"+ of both backstraps.  And I know I should have shot lower, but his body was disappearing into a wooded lot and it was do or die.  hehe.  The 350 gr. FP doesn't do nearly so much overkill and if I wanted to use it on larger game like elk or moose or bear, it'd hold together better than the HP.
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Tacklebury --}>>>>>    Multi-Barrel: .223 Superlite, 7mm-08 22", .30-40 Krag M158, .357 Maximum 16-1/4 HB, .45 Colt, .45-70 22" irons, 32" .45-70 Peeps, 12 Ga. 3-1/2 w/ Chokes, .410 Smooth slugger, .45 Cal Muzzy, .50 Cal Muzzy, .58 Cal Muzzy

also classics: M903 9-shot Target .22 Revolver, 1926 .410 Single, 1915 38 S&W Break top Revolver and 7-shot H&R Trapper .22 6" bbl.

Offline quickdtoo

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Re: 45-70 Throat
« Reply #10 on: August 02, 2012, 06:21:06 PM »
You have a little to go to get to max, the Hornady 6th lists the max Ruger #1 load of RL7 as 55.5gr @50kpsi(or kcup if you wish  ;D) for their 350gr bullets.  ;)

Tim
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Offline tacklebury

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Re: 45-70 Throat
« Reply #11 on: August 03, 2012, 08:29:39 AM »
Don't have a Hornady 6th or any other th.  hehe  I was going by the data at Alliant.  8)  48 does everything I need though and I've shot 70 of those in one setting without issue.  The 52 gr loads actually put my back out of place after 3 shots, lol.
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Tacklebury --}>>>>>    Multi-Barrel: .223 Superlite, 7mm-08 22", .30-40 Krag M158, .357 Maximum 16-1/4 HB, .45 Colt, .45-70 22" irons, 32" .45-70 Peeps, 12 Ga. 3-1/2 w/ Chokes, .410 Smooth slugger, .45 Cal Muzzy, .50 Cal Muzzy, .58 Cal Muzzy

also classics: M903 9-shot Target .22 Revolver, 1926 .410 Single, 1915 38 S&W Break top Revolver and 7-shot H&R Trapper .22 6" bbl.

Offline Jimbow4570

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Re: 45-70 Throat
« Reply #12 on: August 04, 2012, 10:24:36 AM »
Ok.....(phew..wiping brow)..I thought maybe Isa maka big a booboo....
I shot it today with 48 grains of RL7 and the Hornady 350 FP at 2.480 C.O.A.L. Shot very well to 50 yrds and MObear at 100.
And Black bear is what we are after.....Thanks Gents. Always informative.
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"Teach a man to fish and he feeds himself for life...give a man welfare and he will go fishing while YOU go to work"
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