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I still haven't had any luck finding a load using IMR4350. So far my best grouping has been 3" at 100 which is way off for my gun. Just to make sure it wasn't my gun or scope, after trying several different load recipes and seating depths with the IMR4350 with no luck, I shot several sub 1" groups at 100 yards using 150 grain Sierra Gamekings, 57.5 grains of H414, and Winchester casings. I also shot some Federal 150 grain Power Shoks and got several groups of 3/4". So for some reason, I am supposing that this rifle just does not like this brand of powder for some reason.

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That is crazy!

Glad you found something that works well though...

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7-08, IMR 4350 is one of the best powders for the .30-06. I have found that the bullet weight and shape being matched to the particular rifle is more important than the powder choice, as long as the powder is a traditional or proven choice for the caliber. Since you have tried many different styles and weight of bullets, I agree with some of the other guys here, your rifle may need some tuning. It could be your scope or a variety of minor ills but you should have gotten some type of accuracy with all the loads you have tried.


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IMR 4350 is the powder for me in 30-06, in several rifles, over about 35 years. Agree w/ all above on the 57.5 gr w/ 165 gr Nosler Partitions. It's also superb w/ 180s and 55 to 55.5 gr.

The other powder I like w/ 150 grain bullets is 4064. If a 30-06 won't shoot 52/4064 w/ 150 grain Sierras or Nosler BTs, it won't shoot anything well, in my experience.

Neither of these meters well, but I old fashioned anyhow and want to weigh every one.

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Originally Posted by 7mm08
I bought a pound of it to try out


Whut? Man I'm still trying to find I4350. It was my go to powder for most 150gr bullets out of my 06. I've been a miser with what I have left. Since its so hard to find, I've found a load using RL17 that is as good as my I4350. Also, I could never get as tight a group with H4350.


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What type of primers are you using? did you try any other primers? as you know h414 is a ball powder nearly identical to ww760 and they are both good but imr4350 is an extruded powder so a primer change could help with the groups


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IMR4350 will push bullets accurately to their destination from weights of 150 through 190 grains. All that I have tried worked well. I used 60.5 gr I4350 with a 150 gr Nosler solid base. 57-58.5 gr of I4350 with a Hornady BTSP 165 gr, and 55 gr of I4350 and a 180 gr Hornady BTSP. The 190 will use the same powder charge as the 180. It's a great powder for the '06 -- almost as ood as H4831, H414, RL19. Hope you get the glitches worked out. All my '06's shoot real well and load development has been easy.


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I4350 is tough to find?!?!? It always seems to be on the shelf up here in the Midwest. I have a few single pounders and one 8 lb. jug. grin


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I have been using 59 grains of IMR 4350, with Nosler ballistic tips or partitions for 35 years. I'm sure the Accubond would be great also. I use them for deer and pigs. I never had good luck getting Hornady bullets to group well. I use Winchester brass and federal match large rifle primers. 59 grains is a max load.

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maybe your rifle doesnt like hornady bullets....i would use imr 4350 and stick with the sierra bullet you had great accuracy with...

I find that bullet makes define the accuracy of a rifle not the powder

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I have tried Hornady's in a dozen different rifles. They didnt group as well as the nosler's or the GameKings. A lot of guys swear by the Hornady's.

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[Linked Image]


You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.

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The young guys on my deer lease say IMR 4350 is an old mans powder.

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Originally Posted by hanco
The young guys on my deer lease say IMR 4350 is an old mans powder.


I'm 33 and use IMR4350...it didn't earn it's reputation because it sucked.

To the OP, maybe check the runout of your finished cartridges. I have never seen or heard of a .30-06 that will not shoot that many different types of bullets with that powder. Makes me think something is wrong with the dies since you mention that you have one good load. Maybe your dies just fit that bullet well and seat it straighter than anything else?

Worth looking into at least. You shouldn't be having these problems with IMR 4350.

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A 30-06 that won't shoot IMR4350 is like a 308 that won't shoot IMR4895. They may exist, but they live in a set of measure zero to use a little math lingo.

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57 gr of IMR 4350 and many different 165 bullets have been very accurate in several different rifles for me. It is my most reliable pet powder/cal combo of any cartridge I load for. The problem probably isn't the powder.

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Originally Posted by War_Eagle
Originally Posted by hanco
The young guys on my deer lease say IMR 4350 is an old mans powder.


I'm 33 and use IMR4350...it didn't earn it's reputation because it sucked.

To the OP, maybe check the runout of your finished cartridges. I have never seen or heard of a .30-06 that will not shoot that many different types of bullets with that powder. Makes me think something is wrong with the dies since you mention that you have one good load. Maybe your dies just fit that bullet well and seat it straighter than anything else?

Worth looking into at least. You shouldn't be having these problems with IMR 4350.



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IMR 4350 and the 30-06 are made for each other. If you cannot get accuracy and performance out of this combo then you have rifle problems.

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Originally Posted by Dustylongshot
IMR 4350 and the 30-06 are made for each other. If you cannot get accuracy and performance out of this combo then you have rifle problems.



I think this is probably right! I burned a truckload of the stuff in the 30/06 with 150-165 gr bullets and was care free for years. It always worked great.

But I later discovered that IMR 4350 is one of the Kings of temperature variation;fully as bad as RL22 in some cartridges,which gets a lot of flack for temp swings. Has it gotten better recently? I don't know....

But I still use RL22.....and IMR 4350 in some applications. Mostly though I have switched to H4350 in the 30/06.




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Originally Posted by antelope_sniper
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Actually convenient. I just picked a M70 lightweight in 30-06.

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