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Varget is usable in 223 but is really on the slow side for this cartridge. Varget works in a wide range of cartridges but isn't the best for 223, especially with lighter bullets, as others have noted. If you want to try one of Hodgdon's Extreme Extruded powders in 223 try H322 or Benchmark. I haven't tried either yet but their burn rates are more suitable for 223 than Varget. H322 is supposed to be one of the best in this caliber. Don't worry about cutting granules or weighing every charge. I've gotten very low extreme spreads and SDs using thrown charges from my Uniflow with Varget in 7mm-08. I've also gotten outstanding results with thrown charges with N110, N350, N340 and N320, all extruded powders. H322 and Benchmark are advertised as fine, i.e. small grained, powders. They should throw from a powder measure very consistently. And as with all of their Extreme powders they are much less sensitive to temperature variations.
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