Try 42 grains loaded to suggested OAL and then work up a couple of grains to 44 - 45 grain area. Should shoot, according to my buddy. He says that RL22 is a real winner in the 6.5x55.~Muir
Chuck Hawks says: The Speer 140 grain spitzer (BC .496) can be driven to a MV of 2449 fps by 44.0 grains of RL22 powder, and 2671 fps by 48.0 grains of RL22.
Chuck Hawks says: The Speer 140 grain spitzer (BC .496) can be driven to a MV of 2449 fps by 44.0 grains of RL22 powder, and 2671 fps by 48.0 grains of RL22.
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