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Hmm, Been awhile since I loaded WW748 in .223, but I don't recall having the problems you had shooting 55 gr FMJ's from an IMI Galil ARM w/18" barrel. Charge was 27.5 grains, and measured velocity was 3012 fps.
The 25 grain load may be a bit light for this relatively slow propellant in .223, and I always used CCI 450 mag primers when using WW748. Single base propellants will tend to burn more cleanly for a given speed, but there are no single base ball propellants (great metering) that I am aware of. H322 is a fine grained stick that meters well, but may be a bit fast for your application for top velocity. IMR 4320 is a fine cut stick too, and has a burn rate/pressure curve that would fit, but again maybe not at top velocities. I love H335, but like any propellant, if there is not enough pressure to completely and efficiently burn the charge, a lot of residue will result. Wish I could help you better, but without being there to see all the variables, it is hard to precisely say what may work best to cover all the bases you want.
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| Posts: 1055 | Location: NE of Pittsburgh | Registered: March 03, 2007 |    |
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quote: Originally posted by Mister Joshua: I did not try a magnum primer, all I've got or can get are CCI 400's.
I've found a reloading shop here that has just about everything... markup is a little high, but it's worth it to buy components a pound at a time until I've got a load I can settle on.
Yeah, Speer #14 recommends mag primers for all the ball powders.
IF YOU AREN'T HANDLOADING, YOU AREN'T SHOOTING ENOUGH!
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| Posts: 2515 | Location: ca, usa | Registered: February 17, 2004 |    |
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quote: Originally posted by fredj338: I don't reload for the 223 anymore.
Why not?
--- Grayguns P226R .357SIG -- P226 W.German -- 590A1 -- M4gery -- Ruger Mark III ---
-- Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone past me I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain. --
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| Posts: 5983 | Location: Magdalena/Socorro, NM | Registered: October 14, 2005 |    |
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quote: Originally posted by flesheatingvirus: quote: Originally posted by fredj338: I don't reload for the 223 anymore.
Why not?
I no longer have a 223. Since the AWB heere, I can't buy one, so I no longer load for it. When I eventually leave this crap state, I'll get another AR type platform, just because I can, then I'll dig out the brass & bullets I still have. Cheap shooting. I think I paid $50/K for the bullets back then & the O.F. Win brass was free from when my dad was a working LEO (like 3gal bucket).
IF YOU AREN'T HANDLOADING, YOU AREN'T SHOOTING ENOUGH!
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| Posts: 2515 | Location: ca, usa | Registered: February 17, 2004 |    |
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H335 is my FAVORITE powder for .223. I have not found anything that performs better in my Savage BT112 yet. I run 55g Berger HP Match heads pulled WAY out since the throat on Savages is like a cave.
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I haven't noticed this problem using Wolf SR magnum primers. I also use 748 under 150gr. bullets in my 308 gas gun (also with magnum primers) and don't find it particularly dirty.
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