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#7064639 - 11/11/12 07:19 AM finally developed some handloads for the 375 RUM
gunchamp Offline
Campfire Guide

Registered: 03/01/10
Posts: 3474
Loc: mountains of central PA
Hi guys. Finally got around to cooking up some loads for the 375 rum today. Went to the range this morning. Settling in on a 300 gn nosler partition over 94 gn of h4831. Easy load to shoot. I need to chrono yet. I loaded up to 98 but groups got bigger with every grain increase. 94 shoots well under moa. At 50 yds, all in a hole. 100 is around .5-.6. Cant be more pleased at this point. Just wanted to throw out an update. thanks


Edited by gunchamp (11/11/12 07:20 AM)
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#7064810 - 11/11/12 08:08 AM Re: finally developed some handloads for the 375 RUM [Re: gunchamp]
Fifth Offline
Campfire Regular

Registered: 07/26/11
Posts: 850
Loc: ZionCurtain, USA
Originally Posted By: gunchamp
300 gn nosler partition over 94 gn of h4831. Easy load to shoot.


I'll take your word for it. That load is about 7gn more than the load I use on the 375R. While I don't think the Ruger is hard to shoot I have never shot anything higher in the recoil department. I've shot some stout 45-70 loads but the Ruger certainly surpasses that. Now that you have your load are you planning a hunt somewhere?

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#7064832 - 11/11/12 08:16 AM Re: finally developed some handloads for the 375 RUM [Re: Fifth]
gunchamp Offline
Campfire Guide

Registered: 03/01/10
Posts: 3474
Loc: mountains of central PA
Let me say that the recoil on that load is very tolerable. When you go full load, it becomes pretty hard on the shoulder. I will be using it off and on for deer season this year. I have to make sure I put the deer down, you know how dangerous they can be. smile
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#7072927 - 11/13/12 04:59 PM Re: finally developed some handloads for the 375 RUM [Re: gunchamp]
GeorgiaBoiler Offline
Campfire Regular

Registered: 11/12/12
Posts: 780
Loc: Land of Cotton
What kind of velocity are you getting? I have a REM 798 that I re-chambered from .375 H&H to .375 Wby and I can get 2,800 with a 300 gr bullet easily which is pretty similar to what the RUM should do.


Edited by GeorgiaBoiler (11/13/12 05:00 PM)

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#7076313 - 11/14/12 05:27 PM Re: finally developed some handloads for the 375 RUM [Re: GeorgiaBoiler]
colorado Offline
Campfire Ranger

Registered: 10/27/07
Posts: 1839
Loc: Colorado Springs, Colorado
What kind of rifle are you shooting and how much does it weigh? I have a Rem XCR II in 375 Weatherby that weighs 7 1/2 lbs unloaded with it's Leupold 2-7x scope. Shooting 375 H&H full power loads it's a breeze, shooting factory 375 Weatherby 300g Partitions it's a tad snappy...
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"There's a saying in prize fighting, everyone's got a plan until they get hit"

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#7076444 - 11/14/12 06:12 PM Re: finally developed some handloads for the 375 RUM [Re: GeorgiaBoiler]
gunchamp Offline
Campfire Guide

Registered: 03/01/10
Posts: 3474
Loc: mountains of central PA
Originally Posted By: GeorgiaBoiler
What kind of velocity are you getting? I have a REM 798 that I re-chambered from .375 H&H to .375 Wby and I can get 2,800 with a 300 gr bullet easily which is pretty similar to what the RUM should do.
Not sure yet. Didnt take the chrono. Was just looking for accuaracy this time. I'll get back out and get some #'s soon.
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#7076450 - 11/14/12 06:14 PM Re: finally developed some handloads for the 375 RUM [Re: colorado]
gunchamp Offline
Campfire Guide

Registered: 03/01/10
Posts: 3474
Loc: mountains of central PA
Originally Posted By: colorado
What kind of rifle are you shooting and how much does it weigh? I have a Rem XCR II in 375 Weatherby that weighs 7 1/2 lbs unloaded with it's Leupold 2-7x scope. Shooting 375 H&H full power loads it's a breeze, shooting factory 375 Weatherby 300g Partitions it's a tad snappy...
Not sure if you're asking me but I'm shooting an xcr with a b&c medalist bedded. Warne bases and rings and a zeiss scope. Guessing 8.5lbs. Full house loads are a bit uncomfortable. These loads at 94 gn are very tolerable.
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#7079351 - 11/15/12 04:02 PM Re: finally developed some handloads for the 375 RUM [Re: gunchamp]
colorado Offline
Campfire Ranger

Registered: 10/27/07
Posts: 1839
Loc: Colorado Springs, Colorado
I was and thanks gunchamp. My 375 Weatherby full house loads should kick less than your 375 RUM. They're not bad at all in my XCR II, the 375 H&H rounds are pure pussycat.
_________________________
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Chuck

"There's a saying in prize fighting, everyone's got a plan until they get hit"

Ghost And The Darkness


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#7084136 - 11/17/12 08:26 AM Re: finally developed some handloads for the 375 RUM [Re: colorado]
mound Offline
Member

Registered: 12/14/10
Posts: 102
I have used my 375 RUM in Africa several times . 300 grain TSX with 100 gr 7828 is just above 2860 fps and is very accurate.95 grains of h 4831 with 300 north forks is a hammer. I have had poor luck with 300 nosler partitions on big game buff etc. I am sure they will be great on plains game . It is a great round and I don't find recoil that bad and I have no break. My gun is AHR custom made on CZ action.

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#7085020 - 11/17/12 02:48 PM Re: finally developed some handloads for the 375 RUM [Re: colorado]
gunchamp Offline
Campfire Guide

Registered: 03/01/10
Posts: 3474
Loc: mountains of central PA
Originally Posted By: colorado
I was and thanks gunchamp. My 375 Weatherby full house loads should kick less than your 375 RUM. They're not bad at all in my XCR II, the 375 H&H rounds are pure pussycat.
After running a good many rounds through the RUM, the 375 ruger and H&H do feel pretty mild. I do have a muzzle brake on mine but I never would use it in the woods. I rarely use it at the range. Full bore load development got pretty nasty, thats when I screwed on the brake. I'm glad the 94 load shot so well, very shootable for me.
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