Thanks Northdude,
I am currently loading 52 grains of AR2213SC with the 140 grain Hornady Interlocks which produce 2,780 feet per second. Velocities seem to vary widely from rifle to rifle with this calibre so I worked up to the velocity rather than powder charge. I used the same technique with my 6.5 x 55 as the data is all over the place. I have AR2217 and will try with both in the future. I have chronographed Norma 6.5 x 55 factory 140 grain loads that gave 2,750 fps years ago.
Regards Grandpamac.
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