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Old November 9, 2010, 11:13 AM   #1
mapsjanhere
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Powder recommendations for 223?

My Weatherby Sub MOA shoots decent 1" groups with your average white box ammo, but I haven't found anything truly spectacular and cheap, so reloading it is. I got a box of Hornady Match 52 gr HPBT, but looking at powder listings, there's nothing I have on my shelf.
What are good powders for these small cartridges?
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Old November 9, 2010, 11:32 AM   #2
Brian Pfleuger
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I haven't loaded 223 but Benchmark and Win748 have both been sub-moa in every thing I've loaded them in, 204, 22-250 and 7mm-08. Win748 produces the highest velocity, Benchmark the slightly tighter groups but the difference is only maybe 1/4 MOA.
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Old November 9, 2010, 11:41 AM   #3
kraigwy
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Best powder's I've found for 52-55 grn 223s is H335, for heavier bullets I use RL-15.
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Old November 9, 2010, 11:59 AM   #4
McClintock
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2nd vote for H335

H335 works good in .223. I've loaded 40 gr. Hornady and Sierra BlitzKings, and Barnes 36 gr. Varmint Grenades with H335, all with good success. It meters well in powder measures, too, as it's not a stick powder. It gives good velocity and is accurate (sub-MOA), at least in my rifle, with my handloads.

Kraigwy gives good advice. I second Kraigwy's recommendation for H335. Peetza also gives good advice.

Cheers!
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Old November 9, 2010, 12:05 PM   #5
wingman
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H335, H322, Varget, V133, all good in my Savage 12.
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Old November 9, 2010, 12:09 PM   #6
mikejonestkd
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I have a .223 weatherby SVM that does very well with H335, Sirerra 52 grain varmint match bullets and lapua cases. 24 grains gets me just about 3050fps and it is very accurate.
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Old November 9, 2010, 12:13 PM   #7
mapsjanhere
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Thanks a lot, I hope I can get most of these locally. Unfortunately I'm twist limited to 55 gr or less, so I can't use the RL 15 (which I have).
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Old November 9, 2010, 12:34 PM   #8
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I don't know what range you want to shoot at, but for shorter ranges try the 53 grain Sierra MatchKing. For 100-200 yards it is usually a little easier to get a flat base bullet to shoot to maximum accuracy in that weight range.

Don't forget to consider IMR 4198. It is too fast to give maximum velocity, but man has it ever drilled a lot of bugholes for me in .222 Rem with a 14" twist, and it does very well in a 12" .223 as well. That relatively fast burn rate gets the bullet to velocity early in its travel, shortening barrel time and leaving less pressure at the muzzle. That minimizes muzzle blast, which some projectiles, particularly boattails, can be bothered by. It's bulk density is low enough that it still fills a .223 case well even in the relatively modest 21 grain charge range you are likely to land on.

Reloader 10X is another good powder, developed specifically for use with lighter bullets.

Take a look at Dan Newberry's site for a systematic method of working up a good load.
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Old November 9, 2010, 12:56 PM   #9
4runnerman
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Here's a proven one

Hornady 55 V-max
25.5 gn H-335
2.26 COL

1/2 groups at 200 yards(SAVAGE)
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