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Old September 22nd, 2013, 09:18 PM #1
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IMR 4350...

So trying to get a hunting load for my .243 and from what I've read varget isn't the powder of choice, but H4350 seems to do the trick. Anyone have a line on some? I can trade varget for a few lbs of it.

Last edited by Speed3; September 22nd, 2013 at 09:32 PM. Reason: Meant to type H4350
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Old September 23rd, 2013, 08:23 AM #2
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First IMR 4350 and H4350 are not the same powder. Similar use, but NOT the same.

H4350 has been harder to find than Varget recently. But a bunch hit the stores a few weeks ago. Keep looking.

Sorry, I don't use it. I probably would have picked some up just in case, but the credit cards were already smoking.
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Old September 23rd, 2013, 09:14 AM #3
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A while back, I picked up a pound of IMR 3031 and I THINK IMR 4350, when I was working up loads for my .45-70 Gummint.

I've not opened/used either, since I found what I was looking for, with Reloader 7.


I'll check tonight, to see IF that canister is IMR 4350, IF you want.
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Old September 23rd, 2013, 09:38 AM #4
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If you're loading 100 gr pills for your .243 the powder of choice is IMR 4350 as it was always accurate in our .243's. I sold our remaining stock of IMR 4350here as wished still had some would eagerly trade for Varget.
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Old September 23rd, 2013, 11:16 AM #5
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IMR4350 temp sensitive though? My understanding that H4350 is not as sensitive, like varget?
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Old September 23rd, 2013, 11:27 AM #6
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Last I checked Varget is neither position nor temperature sensitive, since it is a stick powder. It is a bit of a pain in progressive loaders.

It is usually the ball powders that are more temp sensitive, but not by much. H335 is very versatile, and hard to find.
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Old September 23rd, 2013, 03:40 PM #7
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I have used H-4350 in 243. It shot great but no where near as good as IMR-4831. H-380 also works well. Gonna be trial and error like anything else.
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Old September 23rd, 2013, 08:12 PM #8
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Stick (extruded) powders are typically single based and less temperature sensitive than double based powders. But even within stick powders, some are less temp sensitive than others. Varget is one of Hodgdon's Extreme powders, which are supposed to be less temp sensitive.

Most ball powders are double based, and tend to be more temp sensitive than the extruded powders.

Vihta Vouri powders can be triple based, which results in better very low temperature performance. Which you might expect with them coming from Finland.

Single/Double/Triple based is how many different explosive chemicals are in the mix. Single based are typically only nitrocellulose. Double base is nitrocellulose and nitroglycerin. Triple adds nitroguanadine.
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Old September 23rd, 2013, 08:42 PM #9
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I want something that is not tempature sensitive...so I can develope loads in July and hunt in November.

H4350 seems to be it. And yes 100gr SGKs, BR2s in lapua brass.
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Old September 25th, 2013, 04:58 AM #10
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Quote:
Originally Posted by Song Dog View Post
If you're loading 100 gr pills for your .243 the powder of choice is IMR 4350 as it was always accurate in our .243's. I sold our remaining stock of IMR 4350here as wished still had some would eagerly trade for Varget.
+1

IMR 3031 is great for lighter bullets. Superformance works well too.
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Old September 25th, 2013, 09:57 AM #11
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Quote:
Originally Posted by Speed3 View Post
So trying to get a hunting load for my .243 and from what I've read varget isn't the powder of choice, but H4350 seems to do the trick. Anyone have a line on some? I can trade varget for a few lbs of it.
I disagree with loads of choice. Have you tried Varget loads?
I have sufficient experience with Varget loads- 100 gr, 80 gr and a few
55 gr v max bullets. all shoot very well and under 1" at 100 yds.
The best group is slightly over 1/2" at 100 yds with 80 gr sierra BT's.

BTW Rifle is 243 Remington model 788
Tasco 3x9 X 40 scope
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Old September 25th, 2013, 11:17 AM #12
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Quote:
Originally Posted by pcfixer View Post
I disagree with loads of choice. Have you tried Varget loads?
I have sufficient experience with Varget loads- 100 gr, 80 gr and a few
55 gr v max bullets. all shoot very well and under 1" at 100 yds.
The best group is slightly over 1/2" at 100 yds with 80 gr sierra BT's.

BTW Rifle is 243 Remington model 788
Tasco 3x9 X 40 scope
I have lots of varget...I guess I will try that before I buy anything else.
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Old September 25th, 2013, 12:24 PM #13
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Quote:
Originally Posted by Speed3 View Post
I have lots of varget...I guess I will try that before I buy anything else.
Speed3:
If you don't mind posting what bullets you have now, primers you have now, I can work with on a starting load. 1st thing is to shoot some factory loads thru your gun, just to see where it shoots in relation to bullseye on the target. try 2 or 3 of the most common weights you
shoot.
When i get home later I'll attach a couple data forms for you to track the loads with. Okay.


download to your computer and print out a half dozen or so. You'll need them.
Attached Images
File Type: pdf reloadlog.pdf (37.6 KB, 21 views)
File Type: pdf LoadBookRangeCard.pdf (358.1 KB, 32 views)
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Last edited by pcfixer; September 25th, 2013 at 01:37 PM. Reason: attach pdf
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Old September 26th, 2013, 10:56 AM #14
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243.
100g sp 41.7g IMR 4350

http://store.thirdgenerationshooting...fm/2,3673.html
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Old September 28th, 2013, 08:29 PM #15
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I'm shooting lapua brass, CCI BR4 primers and 100gr SGKs.

I did pick up some h4350 at the show to try as well.

It's zero'd now with Remington 100gr core locts now, so,shouldn't shift much at 100 yards.
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Old September 28th, 2013, 09:23 PM #16
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Quote:
Originally Posted by Speed3 View Post
So trying to get a hunting load for my .243 and from what I've read varget isn't the powder of choice, but H4350 seems to do the trick. Anyone have a line on some? I can trade varget for a few lbs of it.
85TSX and RL-17.

you're welcome.
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Old October 3rd, 2013, 04:46 PM #17
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Picked up a pound of IMR4350 at the Tackle Box (So. Md.) a mere month ago, I was looking for H4350 but they didn't have any in stock at the time. Worked up test loads for a recent M1895 Steyr purchase (but still haven't taken it out) ;-(...
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Old October 3rd, 2013, 10:12 PM #18
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OP, I'm doing a karma for a pound of W760. I might be able to scrounge up an extra can to trade for a pound of Varget. Let me know if you are open to this. We can meet up at your place so I can try shouldering the PRS and UBR that you offered up a month or so ago.
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