Suggestions for powders for BR cartridges ?

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  • Last Post 03 June 2016
mtngun posted this 21 May 2016

Those of you who have been following my BR threads are probably aware that I've been mostly using WC844 (seems to be the same as H335) just because I had a couple of jugs on the shelf, but it's not the greatest powder for the BR family.

Well, the money tree has finally blossomed enough to let me order a few jugs of powder.     Some of you have already made powder suggestions, which I'll include in the list below.   Am I leaving anything out, bearing in mind this is for 2700+fps loads? 

Obviously I'd like to try every powder on the market but my budget doesn't work that way.    What are the must-have powders for the BR family?

Here's the list with my thoughts for each:

H322 -- I believe two CBA members used H322 to win national matches at 2700+fps, so it's a must-have except ....

IMR8208 -- is supposedly an “improved” version of H322.     If I get IMR8208, do I still need to get H322, too, or can IMR8208 do anything that H322 will do?

N133 -- someone suggested it.   I have no experience with it.

LT30 -- Paul Pollard recently posted a promising target using LT30 in his 6PPC.   I've heard it burns like 4198, except better?

LT32 -- popular with the 6PPC crowd.

RL10 -- I already have one jug and might order a 2nd because it seems to work well in the BR's.

4198 -- I'm not a big fan because it meters poorly.  

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onondaga posted this 21 May 2016

http://www.castbulletassoc.org/view_user.php?id=608>mtngun

You can easily compare H322 to IMR8208 or any of those others in 10 rounds. Use loads a safe few percent below MAXIMUM over a chronograph and compare ES of velocity. the lowest number wins.

Gary

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mtngun posted this 21 May 2016

Well, yes, but you have to buy them first.  :D      My shopping cart at Powder Valley is already past $850 and that doesn't include H322.  :(    

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onondaga posted this 21 May 2016

http://www.castbulletassoc.org/view_user.php?id=608>mtngun

"4198 -- I'm not a big fan because it meters poorly."

Actually, long stick extruded powders like 4198 is where the Lee Perfect measure shines and does best. 

Gary

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Hamish posted this 22 May 2016

mt, I shot a lot of AA2015 in the 7BR and am primarily using 3031 in the 30Bellm wth cast, but will be giving 4198 a try as so much is made of it in the 30BR over at 6mmbr.com.

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mtngun posted this 22 May 2016

TheAmishGolfballShooter wrote: mt, I shot a lot of AA2015 in the 7BR and am primarily using 3031 in the 30Bellm wth cast, but will be giving 4198 a try as so much is made of it in the 30BR over at 6mmbr.com.Thank you for your input, AmishGolfballShooter.    Yes, 4198 seems to be very popular in the 30BR.

I've http://benchrest.com/showthread.php?88946-Lt-32&p=728453#post728453>heard that AA2015 is simply a slightly slower lot of LT32?    Hence I deliberately left it off my list since I'm planning on getting LT32.

I used 4198 to shoot my first perfect IMHSA score in a 7TCU many eons ago, so I don't doubt that it is accurate.   But for several years now I've been trying to switch most of my loads over to the modern “extreme"-type powders that are less sensitive to temperature and that meter well.

I worked up that 4198 7TCU load in the winter.   At that time It was max but safe.    Come summer it it was spitting brass in my face.   Oops!  :D  :D  :D

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Hamish posted this 22 May 2016

mtngun wrote: TheAmishGolfballShooter wrote: mt, I shot a lot of AA2015 in the 7BR and am primarily using 3031 in the 30Bellm wth cast, but will be giving 4198 a try as so much is made of it in the 30BR over at 6mmbr.com.Thank you for your input, AmishGolfballShooter.    Yes, 4198 seems to be very popular in the 30BR.

I've http://benchrest.com/showthread.php?88946-Lt-32&p=728453#post728453>heard that AA2015 is simply a slightly slower lot of LT32?    Hence I deliberately left it off my list since I'm planning on getting LT32.

I used 4198 to shoot my first perfect IMHSA score in a 7TCU many eons ago, so I don't doubt that it is accurate.   But for several years now I've been trying to switch most of my loads over to the modern “extreme"-type powders that are less sensitive to temperature and that meter well.

I worked up that 4198 7TCU load in the winter.   At that time It was max but safe.    Come summer it it was spitting brass in my face.   Oops!  :D  :D  :DI'm  totally ignorant of any relation between LT32 and 2015.  Actually, I should have said I shot a lot of 2015BR as I see that the newer jugs have dropped the “BR, most likely reformulated as well.  I tried 4198 first in the 7TCU myself but was recommended 2015BR and the accuracy was better, no matter the bullet weight.  I never could seem to get past a 39 myself.  /images/emoticons/134.gif  I hear you on the seasonal pressure differential with 4198 to be sure.  To be perfectly honest,  I prefer 3031 to it but I've got a couple of pounds that have been sitting on the shelf for a couple of decades and I've meant to burn it up in the Bellm.In looking at your list of powder choices there are a couple I'd like to hear more about myself.  Another one you may want to put some thought to is Alliant Power Pro 300MP

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mtngun posted this 23 May 2016

 Another one you may want to put some thought to is Alliant Power Pro 300MP. I'm not familiar with that one. :D    A magnum handgun powder, right?

These BR cartridges have a different “personality” than anything I've used before.     I haven't figured them out yet other than to say that RL10 seems to work well in them.

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mtngun posted this 23 May 2016

Well this is what I went with.    I'm sure I left out some worthwhile powders but the order was already waaaay over budget.   :cusout:

1  ACCLT30-08 *   ACCURATE LT-30 8#  1  ACCLT32-08 *   ACCURATE LT-32 8#  1  IMR8208-08 *   IMR 8208 XBR - 8 LBS.   1  VIHN133-08 *   VIHTAVUORI N133 - 8 LBS.  1  ALLRL10X-05 *   ALLIANT RELODER 10X - 5 LB.  5  REM7.5 *   REMINGTON 7 1/2 SMALL RIFLE BENCHREST PRIMERS (1000) 

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mtngun posted this 03 June 2016

Powder porn.  :cool:

The VV is N133.   I couldn't work up enthusiasm for buying a jug of 4198, but I found a dusty 80's-vintage can on the back of my shelf.   

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