Is there anyone using IMR 4320 ? Just curious, I'm getting good accuracy with my .223 and .243. Don't have a chrono, 53gr.223 show's in the book 2900-3200 vel. 70gr .243 show's 3300-3500 vel. any feed-back welcome.
Is there anyone using IMR 4320 ? Just curious, I'm getting good accuracy with my .223 and .243. Don't have a chrono, 53gr.223 show's in the book 2900-3200 vel. 70gr .243 show's 3300-3500 vel. any feed-back welcome.
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