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IMR 3031
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Cookie Monster View Drop Down
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    Posted: December 31 2008 at 6:28am
303 British Cartridge - IMR 3031 Powder
Bullet Type Sierra 174 grain BTHP (Match King)
Case W-W Super - 2.200 Trim
Primer CCI Large Rifle
Cartridge Overall Length 3.075 Inches

Powder Charge (gr) MV (ft/s) Std Dev (ft/s) ME (ft-lbs) Comments
38.0 2306 24.7 2055 None
38.5 2429 14.2 2280 None

General Comments:
At last, match grade bullets for us surplus rifle shooters.
Pretty good loads.
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Points: 7510 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Cookie Monster Quote  Post ReplyReply Direct Link To This Post Posted: December 31 2008 at 6:33am
I just picked up an eight pound can of IMR-3031. I really like this powder. Works very well in my M1 garand 30-06 and my .303 loadings. I also have a few nice loads in 5.56 NATO using it. It is an excellent all around powder. I also have some good luck using IMR-4320
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Points: 724 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lost Kangaroo Quote  Post ReplyReply Direct Link To This Post Posted: December 31 2008 at 6:42am
Thats one of my favorite loads for the .303, I love those bullets....only drawback is $$$$$$..... they are a little spendy. I am enjoying Varget a lot lately....just have to be extra exact with measuring....had a little expanding case situation, all better now!! I checked out Varget because it works great in my 22-250.
Get some
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AR2208 is tits mate, works brilliantly in all kinds of cartridges. 
But the winters coming,

And the snow will cover tracks,

And I'll be watching,

Because I'm hunting you



- Sarah Blasko, The Gardens End
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Points: 136 		Post Options Post Options   Thanks (0) Thanks(0)   Quote thresher_593 Quote  Post ReplyReply Direct Link To This Post Posted: December 31 2008 at 10:42am

Thanks for sharing. I'm just beginning to reload and information like this is very helpful. Spent last Saturday afternoon building a bench in my basement. Got the press mounted and I'm in the process of acquiring the tools I need. This will give me something to occupy the long winter nights.
Hiding out in the Northwest corner of Southeast Ohio
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If my poor warped mind is working correctly 3031 dates to WWI and was developed to load 303 MK VII ball for British contracts it  (if my poor warped mind is working correctly) was "303 powder #1" originally. So it should work well in 303 loads.  Those 168 gr Sierras are great but many 303 rifles have issues with boatails.
Have a Nice Day
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Cookie Monster View Drop Down
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Points: 7510 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Cookie Monster Quote  Post ReplyReply Direct Link To This Post Posted: December 31 2008 at 3:14pm
I like IMR 3031 and t work excellently in most of my loadings
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Points: 3256 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tony Quote  Post ReplyReply Direct Link To This Post Posted: January 02 2009 at 6:57pm
The 174 sierra is a great round for the 303 brit. We developed a load using Vit 140 and the sierra heads and to be honest we can't find anything to match up to them for accuracy.
Rottie (PitBulls dad.)


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: January 03 2009 at 6:20am
I miss not being able to get 3031 these days as it was the closest thing to  One Powder does all  I think you will ever find !


         Dave
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IMR3031 work great with moderate loads, burns slowly and consistently for paper-punching. I've used it in nearly all my rifles for target practice. 36gr with the Hornady 150gr softpoint is pretty accurate, and easy on the rifle and shooter.
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Smokey works very well in all my hunting loads. Have not had one lost or walk away yet using IMR3031. And would feel comfortable shooting 500 yards with my hunting rounds. Made a 340yard last year with excellent penetration and expansion. Of course using Nosler Bullets helps.

 

I weigh all my projectiles. Nosler is always exactly 150gr for a 150gr round. All the other I have tested are off +/- .5 grains. I have had Sierra’s off up to a grain and a half even in the match grade bullets.  
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Hey Cookie, what manual is that data out of?
Not that I disbelieve its accuracy but
 
I was on the IMR site and Downloaded the Hodgdon manual
there is only 2 listings I could find for that powder
1 for 150gr Hdy SP  41.0gr
1 for 180gr Sierra SP  38.3gr
 
And My Speer Manual only has one listing
and its for a 100gr plinker with 44.0 gr max
 
I like others on here favour this powder and its characteristics, and it strikes me as odd that there isn't more listings for it with how popular a propellant it is
 
If all else fails call in a MOAB and call it a day
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Points: 7510 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Cookie Monster Quote  Post ReplyReply Direct Link To This Post Posted: January 05 2009 at 10:47am

Diver,

 I looked in my Hodgdon manual, Humm For some reason the only powders they list is Hodgdon?? Go figure Cry. It however is in the Sierra, Hornady, and Speer loading manuals I have. All have data on the IMR-3031 powder for .303 British. The Speer is the tenth edition, the Hornady is the third edition and the Sierra is the 2nd edition. I also find loading in a 2008 free courtesy manual put out by IMR, Winchester, and Hodgdon.
If you would like I can scan or copy those pages and send them to you.
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That would be great, I have the speer 13th edition, and like I said just that plinker 100gr round
and even more interesting is that its diameter is .308"
If all else fails call in a MOAB and call it a day
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Originally posted by airforcediver airforcediver wrote:

That would be great, I have the speer 13th edition, and like I said just that plinker 100gr round
and even more interesting is that its diameter is .308"
 
Ok give me a few days to get it all copied PM me you address and I will send you the information.
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Thanks Cookie, Not a huge rush as my new dies haven't arrived yet
If all else fails call in a MOAB and call it a day
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