That's over 200 fps faster that it should be with 2208!
I wouldnt use 2208 in a .243, too slow velocities for me for general purpose deer weight bullets and I dont shoot really light bullets. A .243 should be going as fast as you can get it, like the .270. I have used 2209 for years. But just reading Tahrs comment above, I have never tried 2213 and should look into that.
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