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Author Topic: 375 H&H ack. improved load data  (Read 3044 times)

Offline elkslayer069

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375 H&H ack. improved load data
« on: August 31, 2013, 12:51:40 PM »
I just got a 375 h&h improved and was hoping that someone on here had one also considering that i cant find any published load data. Im wanting to load with the 235 grain barnes and the 270 grain barnes x bullets. Any help will be greatly appreciated.

Thanks Caleb
You gonna draw those pistols or whistle Dixie?

Offline AWS

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Re: 375 H&H ack. improved load data
« Reply #1 on: August 31, 2013, 01:53:30 PM »
You might check your case capacity against the original 375 Weatherby and you might be able to use data from it,  the 375 weatherby was just an improved 375 H&H.

There were any number of improved wildcats of the 375 H&H you might also check something like Wolfe Publishings wildcat book for info.  I.m on the road now but will look and see if it would be worth you ordering a copy.  I don't quote data.
After the first shot the rest are just noise.

Make mine a Minaska

Offline AWS

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Re: 375 H&H ack. improved load data
« Reply #2 on: August 31, 2013, 04:58:16 PM »
The 375 Improve data in The Wolfe Book mostly involves Norma 205 powder and a couple for IMR 4350. Probably not the worth the $40. if your not really into wildcats and just have the one.
After the first shot the rest are just noise.

Make mine a Minaska

Offline 7mmstalker

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Re: 375 H&H ack. improved load data
« Reply #3 on: September 13, 2013, 10:34:41 AM »
From Ackley"s handbook:

   bullet      gains/ powder    vel.
   235gr       82  4064          2950
                   86  4064          3060
   270gr       80  4064          2800
                   81  4064          2830
   300gr       78  4064          2630
                   85  4350          2650
                   88  4350          2740
   350gr       88  4831          2650
 
 Not much, but something to work with. Since you're using lead free solid bullets that didn't exist in his day, as always proceed with caution.
Kind of an interesting caliber of rifle. Care to share the story?
Hunting- 99% waiting walking listening and looking, 1% stalking and shooting.  Just do it!

Offline Don Fischer

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Re: 375 H&H ack. improved load data
« Reply #4 on: September 13, 2013, 02:32:53 PM »
N205 was discontinued many years ago. Probably won't find any. I loved it in my 7mm Rem Mag. With the 375 IMP you should be able to use data for the reg 375.
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Offline elkslayer069

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Re: 375 H&H ack. improved load data
« Reply #5 on: September 26, 2013, 06:48:49 PM »
From Ackley"s handbook:

   bullet      gains/ powder    vel.
   235gr       82  4064          2950
                   86  4064          3060
   270gr       80  4064          2800
                   81  4064          2830
   300gr       78  4064          2630
                   85  4350          2650
                   88  4350          2740
   350gr       88  4831          2650
 
 Not much, but something to work with. Since you're using lead free solid bullets that didn't exist in his day, as always proceed with caution.
Kind of an interesting caliber of rifle. Care to share the story?


Id been looking into a bigger gun larger than my 338 win for hunting bear country after going to wyoming last year. i thought about building a 416 remington, looked at the all the rums. I found out a guy i knew had this rifle for sale its a 375 ack improved built on an interarms mark X action with a douglas barrel crowned with a KDF muzzle break, its bedded, timmey trigger, topped with a 3x9x40 leupold. It came with both sets of dies brass, and bullets. So it was kind of a no brainier for the price i paid.

I played around with a little yesterday with some H 414 powder. I started out with 84 grains and worked up to 85.5 in half grain increments with no signs of pressure. I plan on going up another half a grain. 84 grains shot the best about a 1 inch 4 shot group with 2 of those shots in the same hole, so ill probably end up going with that. All loading was done with barnes 235 grain tsx's.
You gonna draw those pistols or whistle Dixie?

 


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