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270 WIN; 140-grain Accubond, H4350, or H4381, or imr 43818
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Title tells the tale. I'm using 270 Win as an accurate deer killer to 300 meter for a friend's wife. I don't care for 130-grain bullets. I have plenty of 140's and also 150s for elk. What has been an accurate H-4350 load in your experience? has 4381 been a better powder for the 140s, or should I save it for the 150-grain elk loads?
many thanks in advance.


 
Posts: 7158 | Location: Snake River | Registered: 02 February 2004Reply With Quote
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did you mean H4831?
H 4831 140gr hpbt Hornady bullets is my go to load for many years now
 
Posts: 2134 | Location: Ohio | Registered: 26 June 2000Reply With Quote
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H-4831 has been the go to powder for the 270 Win. for many years. I've been using it for a long time with both 130 and 150 Gr. bullets. You might want to look into RL-26 which has shown some pretty impressive velocity gains with 150 Gr. projectiles. 3000 fps with 150's is very doable with this new powder.


Tom Z

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Posts: 2331 | Location: Pennsylvania | Registered: 07 January 2005Reply With Quote
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Shooting 140 grain bullets in the 270 I have had good success with IMR-4831-high velocity and excellent accuracy.
 
Posts: 665 | Location: NW Colorado | Registered: 10 December 2007Reply With Quote
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Either of the 4831s


Mike

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.



What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.
 
Posts: 10138 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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quote:
Either of the 4831s


The data for each powder will be different however. Pay attention.


.
 
Posts: 677 | Location: Arizona USA | Registered: 22 January 2006Reply With Quote
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Picture of Dulltool17
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quote:
Originally posted by TX Nimrod:
quote:
Either of the 4831s


The data for each powder will be different however. Pay attention.


.


Yes, on both accounts!


Doug Wilhelmi
NRA Life Member

 
Posts: 7503 | Location: Texas Hill Country | Registered: 15 October 2013Reply With Quote
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That sounds good guys. I got my digits mixed up badly.
I always triple check my load data.
Was once a chemist, hen jet pilot, and finally doctor. none of those professions tolerated any error.


 
Posts: 7158 | Location: Snake River | Registered: 02 February 2004Reply With Quote
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Thanks for the input.
I gave my 270 to my daughter when she graduated high school. I figured to start from scratch, which mens asking. I will now open up my Hodgdon 2018 annual manual, and nosler number 10.
Will look at RL26 when i'm in town.


 
Posts: 7158 | Location: Snake River | Registered: 02 February 2004Reply With Quote
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I've used bucketloads of the original Surplus 4831 in a .270 as well as about a dozen other cartridges. It was a great powder and difficult, if not impossible, to beat in a .270.

However, I've had very little luck with the currently produced H-4831 from Australia (not that there is anything in general wrong with the ADI powders distributed by Hodgdon). Today's H-4831 simply doesn't yield the same consistency and accuracy for me as did the original 4831. So I now use IMR-7828 SSC in most applications that previously called for 4831 and am usually very happy with the results. On average, it takes 3-5% more IMR 7828 than original 4831 to yield similar velocities.

IMR-4831 is a totally different powder and quite a bit faster. It rarely does as well as IMR-4350 in most applications. I generally don't recommend it.
 
Posts: 13245 | Location: Henly, TX, USA | Registered: 04 April 2001Reply With Quote
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I got slew of 140-grain Nosler Partitions. Tomorrow I'm loading the shells with 58.0-grains of Hodgdon H-4831 to 3.320"
Both Nosler, and the Hodgdon 2018 Annual manuals list this as a safe load.

Thank you all for your help, especially the value of attention to detail, and triple checking the data.


 
Posts: 7158 | Location: Snake River | Registered: 02 February 2004Reply With Quote
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Fortunately I have about 40 pounds of OLD Milsurp powder, the stuff that Jack O wrote off.

I get 100 or so feet faster than anything out there with 130,150 gr. bullets and considerabley less pressure than anything else. I best not quote the loads but I can get 3200 plus with 130 gr. and that's a mild load, but not much room for more powder..and its accurate. I used O'Connors loads he posted many times in OUtdoor life.

My next choice for the 270 and 30-06 is H414 that I load over book max mostly in the 30-06 and save the other stuff of my 270s.

Even with the new H4831 you can get fill the case and tamp it an squash a bullet in it and pressure is very mild...and you get real world good velocity, 4831 is the safest powder I know off in any of its forms, not to mention top velocities....


Ray Atkinson
Atkinson Hunting Adventures
10 Ward Lane,
Filer, Idaho, 83328
208-731-4120

rayatkinsonhunting@gmail.com
 
Posts: 42176 | Location: Twin Falls, Idaho | Registered: 04 June 2000Reply With Quote
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I've had good accuracy with IMR or H 4350 I've had good accuracy with IMR or H 4831 let your rifle decide..
 
Posts: 1137 | Location: SouthCarolina | Registered: 07 July 2004Reply With Quote
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FYI. Data powders 85 and 86 which are comparable to the 4350s and 4831s have given me excellent performance. They may be hard to come by now days but at one time their price vs. performance were just great beerroger


Old age is a high price to pay for maturity!!! Some never pay and some pay and never reap the reward. Wisdom comes with age! Sometimes age comes alone..
 
Posts: 10226 | Location: Temple City CA | Registered: 29 April 2003Reply With Quote
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Many thanks to you folks for the great advice. I went with Nosler 140-grain partitions over 58.0-grains of H-4831 at 3,000 fps. It is working well with the family 270 Win!


 
Posts: 7158 | Location: Snake River | Registered: 02 February 2004Reply With Quote
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