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 Load request
 Hodgedon vs. Barnes data 7mm Rem Mag
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Leatherstocking
Average Member

Canada
147 Posts

Posted - Jun 13 2017 :  14:41:42  Show Profile Send Leatherstocking a Private Message  Reply with Quote

Loading 150 grn TSX, IMR 4831

Barnes: min 54.5, max 60.6
Hodgedon : start 60.5, max 65

R-P cases, CCI mag primer.

What do you think? Should I start at 54.5 and work up?

WonderMan4
Advanced Member

USA
2851 Posts

Posted - Jun 13 2017 :  15:10:36  Show Profile Send WonderMan4 a Private Message  Reply with Quote
Since you are using R-P brass, I think I would start at 55.0.

I might be wrong by todays components, but I always found Rem brass to be of less capacity that the WW brass that Hodgdon used with their loads.

Most reloaders find that Retumbo works better in the 7mm RM than either of the 4831 powders, but we use what we have on hand, right?
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luvrifles
Advanced Member



USA
937 Posts

Posted - Jun 13 2017 :  16:36:23  Show Profile Send luvrifles a Private Message  Reply with Quote
I would use the Barnes data for my guideline. It's their bullet. You can always increase the powder charge if needed. Just be careful.

So many different rifles,so little time
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Zero333
Advanced Member



Canada
812 Posts

Posted - Jun 14 2017 :  00:13:34  Show Profile Send Zero333 a Private Message  Reply with Quote
Quickload shows 63 gr of IMR-4831 to be the MAX under the 150 gr TSX-bt

63 gr MAX just happens to be in the middle between Barnes and Hodgdon's data.



Treat that trigger like it’s your first date, not like you’ve been married to it for 20 years.
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Shastaboat
Advanced Member



USA
9125 Posts

Posted - Jun 14 2017 :  03:05:53  Show Profile Send Shastaboat a Private Message  Reply with Quote
Isn't the Barnes bullet a monolithic bullet? If so that would account for the lower charge figures vs Hodgedon's that may be for a standard cup and core bullet.
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Leatherstocking
Average Member

Canada
147 Posts

Posted - Jun 14 2017 :  09:03:58  Show Profile Send Leatherstocking a Private Message  Reply with Quote
Shasta, the Hodgedon data is for the TTSX bullet specifically. Barnes manual says the TTSX and TSX use the same data

http://www.hodgdonreloading.com/data/rifle

To see specific bullets, select cartridge 7mm RM, manufacturer IMR, leave bullet weight set at "any", then select powder 4831. Then scroll through different bullets available.


Edited by - Leatherstocking on Jun 14 2017 09:10:23
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Shastaboat
Advanced Member



USA
9125 Posts

Posted - Jun 14 2017 :  17:06:30  Show Profile Send Shastaboat a Private Message  Reply with Quote
Got ya. One reference is more of a lawyer load data reference.

Edited by - Shastaboat on Jun 14 2017 17:08:27
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Shastaboat
Advanced Member



USA
9125 Posts

Posted - Jun 14 2017 :  17:08:02  Show Profile Send Shastaboat a Private Message  Reply with Quote
Based on what I'm reading I would start at 59-60 gr and work up from there. No need to waste powder.
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MR 8x57js
Junior Member



USA
51 Posts

Posted - Jun 16 2017 :  12:27:46  Show Profile Send MR 8x57js a Private Message  Reply with Quote
I agree with what luvrifles said, your using their bullet use their data
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Leatherstocking
Average Member

Canada
147 Posts

Posted - Jun 16 2017 :  15:53:06  Show Profile Send Leatherstocking a Private Message  Reply with Quote
Thanks all. I'll start at Barnes min 54.5. I'll try not to waste too many components, Shasta.
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Shastaboat
Advanced Member



USA
9125 Posts

Posted - Jun 16 2017 :  21:40:18  Show Profile Send Shastaboat a Private Message  Reply with Quote
quote:
Originally posted by Leatherstocking

Thanks all. I'll start at Barnes min 54.5. I'll try not to waste too many components, Shasta.



lol...
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DUSTY NOGGIN
Advanced Member



USA
761 Posts

Posted - Jun 19 2017 :  13:07:18  Show Profile Send DUSTY NOGGIN a Private Message  Reply with Quote
i talked to them on very subject ,

the first 3 grains will be a waste of your time and money

if in doubt, load one of each from 55 to 65 to check pressure , knowing you may have to pull some

1/2 grain increments, one each , if you see any pressure back off 10 % and call that your starting load

i called barnes and rep said use hodgdon data ... dont take my word , call them and ask them
(800) 574-9200
OR EMAIL
customerservice@barnesbullets.com


in my opinion they are following hornadys lead , for one it waste consumables which they will sell you more and two it potentially relieves them of liability

Edited by - DUSTY NOGGIN on Jun 19 2017 13:18:52
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DUSTY NOGGIN
Advanced Member



USA
761 Posts

Posted - Jun 19 2017 :  13:26:48  Show Profile Send DUSTY NOGGIN a Private Message  Reply with Quote
you can get the #3 manual before they dropped everything here

https://www.amazon.com/Barnes-Reloading-Manual-Number-3/dp/B000H7Q7XK

Edited by - DUSTY NOGGIN on Jun 19 2017 16:17:49
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Leatherstocking
Average Member

Canada
147 Posts

Posted - Jun 19 2017 :  19:30:07  Show Profile Send Leatherstocking a Private Message  Reply with Quote
Thanks Dusty.
Think I will do as you suggest, load 1 each, from 58 to 65.
Wonder if anyone has the data from the #3 manual?
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Leatherstocking
Average Member

Canada
147 Posts

Posted - Jun 19 2017 :  19:31:12  Show Profile Send Leatherstocking a Private Message  Reply with Quote
Thanks Dusty.
Think I will do as you suggest, load 1 each, from 58 to 65.
Wonder if anyone has the data from the #3 manual?
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Shastaboat
Advanced Member



USA
9125 Posts

Posted - Jun 19 2017 :  20:14:40  Show Profile Send Shastaboat a Private Message  Reply with Quote
Hodgdon's 2008 soft cover manual gives 59 to 62 gr of H4831 with a 150 gr Nosler Partician bullet. 58 to 62.5 for IMR 4831.

Edited by - Shastaboat on Jun 19 2017 20:17:31
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