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#1808019 - 11/18/07 Re: What is IMR 4320 good for?? [Re: 22250rem]  
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Gramps2 Offline
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I use it for my .350 Rem Mag Model 7 KS. I use 58grs of it with Nosler 225gr Partitions and CCI 250 primers and C.O.L. of 2.825". I get 1" to 1 1/4" 100 yd 3 shot groups. Never measured velocity but must be around 2500fps out of the 20" barrel of this rifle. I consider it a go to powder for most .35 calibers.

G2

CMG 300 BP

#1808444 - 11/18/07 Re: What is IMR 4320 good for?? [Re: Gramps2]  
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whelennut Offline
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I used 53 grs of it with a 250 gr Speer in my 35 Whelen to take a nice 11 pt buck Saturday morning. 55 grs actually shoots a little tighter but at close range the deer don't appreciate the extra accuracy anyway. wink
I bet it would work well in the 220 Swift although I haven't tried it yet.
My old shooting partner used it in his 308 target loads years ago.
whelennut


I like to do my hunting BEFORE I pull the trigger!
There is only one kind of dead, but there are many different kinds of wounded.
#1808450 - 11/18/07 Re: What is IMR 4320 good for?? [Re: doctor_Encore]  
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1minute Offline
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I use it for launching bullets from some of my shorter barreled rifles.


1Minute
#1808847 - 11/18/07 Re: What is IMR 4320 good for?? [Re: 1minute]  
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Crappie_Killer Offline
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I used it in loading for a triple duece .222 rem with 50-52gr bullets. I really liked the powder and it gave very good accuracy.

CK


CK
#1809686 - 11/19/07 Re: What is IMR 4320 good for?? [Re: Crappie_Killer]  
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MissouriEd Offline
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Between somewhere and nowhere
I use it in my 358Win to launch 200 Bullets.


Beware of thieves, scammers and dishonest members on the "Fire" classifieds. Ya there is a thief here too. Whatever!!

They're all around the CampFire and everywhere.
Alpha

#1809705 - 11/19/07 Re: What is IMR 4320 good for?? [Re: Gramps2]  
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Rem260 Offline
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Originally Posted by Gramps2
I use it for my .350 Rem Mag Model 7 KS. I use 58grs of it with Nosler 225gr Partitions and CCI 250 primers and C.O.L. of 2.825". I get 1" to 1 1/4" 100 yd 3 shot groups. Never measured velocity but must be around 2500fps out of the 20" barrel of this rifle. I consider it a go to powder for most .35 calibers.

G2


I use the same load with Swift 225gr in a .350 Rem Mag 673 Gude Gun. Great load that accounted for a nice black bear last year. Am working on a 35 Whelen load with the same powder.

#1814995 - 11/21/07 Re: What is IMR 4320 good for?? [Re: doctor_Encore]  
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Ten_Sleep Offline
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Ten Sleep, Wyoming
Doc,

Jack O'Connor used 45 grains of this powder with both 140 grain Sierra flat base (now Pro-Hunter) and Nosler Partition bullets in his 7x57 rifles. He hunted both here and in Africa with this load. 4320 was an excellent powder then and, in my opinion, it still is. I have used it to load for the .243 Win., .250 Sav., 7x57, ,308 Win., .30-06, and .338-06, and it has always performed well as long as I did not push for highest possible velocities. It was what I used for my best loads in the .338-06, and I still use it today to load for the .250 Sav. and .30-06.

If my memory serves me correctly, this powder was dropped from the IMR line in about 1980. I thought I was really lucky to find an 8# keg before it vanished from dealers shelves; however, I needn't have worried because it was brought back in a year or two because of user demand. Evidently, there were, and are, a good number of us who find this propellant GOOD FOR excellent handloads!

M. Bell

Last edited by Ten_Sleep; 11/21/07.

"You are so equipment conscious...you carry heavy millimeter cannon with you into the field. The American's sense of sportmanship is equated with his ability to master the sport with his purchases, not his skill." --Scottish author unknown--
#1815287 - 11/21/07 Re: What is IMR 4320 good for?? [Re: Siggy32]  
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17ACKLEYBEE Offline
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A wash in the west.
IMR 4320 is a good powder but since Hodgdon bought them out try to find a load for it that isn't in one of your manuals. They have more or less gutted the IMR on line loading manual. Looks like they really bought them out just to let that competition die. But time will tell. All of the Weatherby data that was on the old IMR site is gone? Only some of the rest of it remains and a lot of that information has been down loaded as in reduced load wise?


NRA Lifetime Member
#1815746 - 11/21/07 Re: What is IMR 4320 good for?? [Re: 17ACKLEYBEE]  
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peepsight3006 Offline
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Back in the 70's 4320 was the "go to" powder for 52 grain Silver Match bullets in the 22-250. 36.5 grains of the stuff burned as clean as any, and if all 10 were not under 0.35 MOA, you messed up.

Wayne

#1822371 - 11/25/07 Re: What is IMR 4320 good for?? [Re: peepsight3006]  
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rickt300 Online content
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I found 2 cans of 4320 for $15. each and bought em in honor of this thread to try in my 358 and 35 Whelen.

Bravo

#1822450 - 11/25/07 Re: What is IMR 4320 good for?? [Re: rickt300]  
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mathman Online content
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It may be old school but I have lots of very good ways to burn 4320 at $15 a pound. Nice deal!

#1822807 - 11/25/07 Re: What is IMR 4320 good for?? [Re: mathman]  
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twodogs Offline
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I knew there was a reason I have 2# on hand so I checked my load book. It looks like it's one of my better .22-250 load powders.


[Linked Image]
#1822953 - 11/25/07 Re: What is IMR 4320 good for?? [Re: twodogs]  
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rickt300 Online content
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I used to use in a 22-250 and a 220 Swift years ago. Must have used a lot of it because I have a bunch of notes where I generally used the 60 gr. Hornady on coyotes in those two rifles.

#1823161 - 11/25/07 Re: What is IMR 4320 good for?? [Re: rickt300]  
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blammer Offline
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My 243 winchester likes it with 100 gr bullets.


Whatever you are willing to put up with, is exactly what you will have.

When your ship comes in. ... make sure you are willing to unload it.
#1828574 - 11/27/07 Re: What is IMR 4320 good for?? [Re: blammer]  
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JLF Offline
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My 243 Win liked it with 85gr Barnes TSX's.

#1828934 - 11/28/07 Re: What is IMR 4320 good for?? [Re: Klikitarik]  
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corporal cleg Offline
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Originally Posted by Klikitarik
. THe 358 Win shoots the 225 Sierra GK into tiny little groups with 4320 and about as fast as it can safely be pushed in that case.

That is my recipe in my BLR. Very accurate. I also use the partitions in the same weight-but it isnt as accurate as the sierra loads.

#1831422 - 11/28/07 Re: What is IMR 4320 good for?? [Re: corporal cleg]  
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birddog65 Offline
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60 grains and a 225 grain bullet in 35 Whelan. 43 grains in a 300 Savage 150 or 165 grain bullets.


If you really like something,you better buy two!
#1838408 - 12/01/07 Re: What is IMR 4320 good for?? [Re: birddog65]  
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rickt300 Online content
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Soo 55.0 grs. of 4320 is a top load using the 250 grain bullet and 60 grs. works with the 225 grain bullets. All I need now is a top listed load for 200 grain bullets and I'll have somewhere to start with my 35 Whelen. Anyone have a spread for the 358 Winchester? I'll be using 200 and 250 grain bullets in it.

Last edited by rickt300; 12/01/07.
#1838945 - 12/02/07 Re: What is IMR 4320 good for?? [Re: rickt300]  
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Rem260 Offline
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From Nosler 5th Ed Max Loads IMR 4320

35 Whelen
180 gr blt - 56.0 gr powd
225 gr blt - 55.0 gr powd
250 gr blt - 53.0 gr powd

358 Win
150 gr blt - Not Listed
200 gr blt - 47.0 gr powd

From IMR 2006 Reloading Guide

35 Whelen
180 gr blt - 56 gr powd
225 gr blt - 54 gr powd
250 gr blt - 53 gr powd

358 Win
150 gr blt - 42.5 gr powd (Rem SPCL)
200 gr blt - 38.5 gr powd (Horn RN)

Last edited by Rem260; 12/02/07.
#1839398 - 12/02/07 Re: What is IMR 4320 good for?? [Re: rickt300]  
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whelennut Offline
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rick,
FYI 55 grs. is the max load for the 225 gr. Partition in the Nosler manual. (Also the most accurate load tested.)
whelennut

Last edited by whelennut; 12/02/07.

I like to do my hunting BEFORE I pull the trigger!
There is only one kind of dead, but there are many different kinds of wounded.
#1839437 - 12/02/07 Re: What is IMR 4320 good for?? [Re: Rem260]  
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rickt300 Online content
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Thanks a lot Rem260 just what I needed. I recently loaded some Hornady 250 RN's with AA4350 (58 grains) and the load shot real well at 2400 fps guestimated.

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