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The first load I tried for .223 was waaaaay better than factory loads.
The problem with the 55 grain factory loads was they were too heavy for a 14:1 twist.
I decided to try 45 grain hornet bullets, and 4198 powder (Seems to like light bullets.) and boom......
One hole groups at 75 yards. (That was the longest range I could shoot at a target back than.)
Better trajectory too...
Try changing bullet weights to match the twist in your rifle, if you haven't tried that already.
Remingtons in .223 seem to like light bullets (Which is ok, mine is a crow gun anyway...) savages .223 seem to like heavy bullets. (Might have something to do with 9:1 twist.)
Man, that hornet bullet at 223 velocities just explodes when it hits something.
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