For a 21" barrel at 55kpsi, ~2680fps is max. Gordon's Reloading Tool is great for getting a more personalised answer. The full barrel length is from the bolt face to the muzzle crown.
For a 21" barrel at 55kpsi, ~2680fps is max. Gordon's Reloading Tool is great for getting a more personalised answer. The full barrel length is from the bolt face to the muzzle crown.
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