270 Eldx in 340 Weatherby

Mberline

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Does anyone have any data or ideas where to start with this combo. I haven't been able to find any as both my manuals stop at 250 grain bullets. Would like to use 7828 ssc or IMR 4350 as I have them on hand.
Thanks!!
 
Hope this helps. Hodgdon has data for a 275 Speer soft point with h4350. Nosler for a 265 ablr with both 7828 and imr4350.

Neither of these are heavily constructed projectiles, definitely similar ballpark pressure behaviour as the 270 eld x with similar charge weights. Obviously begin at starting loads but should be fine as a reference point.
 

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Thank you Calvin45!!
No problem and welcome to LRH! I see you're relatively new here. This is an awesome place to learn. I think i legit learn something new here every week and there's lots of great folks to talk to.

Sometimes we do get a little "riled up" but that happens inevitably whenever you get a bunch of red blooded people who are passionate about their common interest i under the same roof haha
 
Welcome to the club- LRH. How do you like the 340, I have given some thought to a big 33. I have a couple RUMS one in 7mm and 2 in 300. And a hand full of Bees, one in 30-378. So I'm about to flip a coin on BEE OR RUM. 🤔
 
Welcome to the club- LRH. How do you like the 340, I have given some thought to a big 33. I have a couple RUMS one in 7mm and 2 in 300. And a hand full of Bees, one in 30-378. So I'm about to flip a coin on BEE OR RUM. 🤔

We (wife) only have the little 338 WM…..but personally, I'd lean toward the RUM! But, that's just me! memtb
 
Does anyone have any data or ideas where to start with this combo. I haven't been able to find any as both my manuals stop at 250 grain bullets. Would like to use 7828 ssc or IMR 4350 as I have them on hand.
Thanks!!
Nosler has load data for 265, for 7828 and 4350. I tried the 230 ELDX in my 340 a few years ago , I got them to shoot but they would not shoot at mag. length and was over pressure 1 gr over starting load.
 
Welcome to the club- LRH. How do you like the 340, I have given some thought to a big 33. I have a couple RUMS one in 7mm and 2 in 300. And a hand full of Bees, one in 30-378. So I'm about to flip a coin on BEE OR RUM. 🤔
Thank you. Lots of great knowledge on this site. I like the 340 but haven't had it long. Got gifted to me by a good friend last summer. Hopefully going to kill an elk with it this fall Lord willing.
 

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