Performance will be basically the same as 6mm Creedmoor, 1:7.5 twist is well within the normal range guys run for heavier projectiles.
If you already have dies and want factory ammo then sticking with 243 is a good option.
Performance will be basically the same as 6mm Creedmoor, 1:7.5 twist is well within the normal range guys run for heavier projectiles.
If you already have dies and want factory ammo then sticking with 243 is a good option.
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