Rifling a musket increased its range fourfold by imparting a spin to a conical bullet that enabled it literally to bore through the air. This fact had been known for centuries, but before the 1850s only special regiments or one or two companies per regiment were equipped with rifles. These companies were used as skirmishers—that is, they operated in front and on the flanks of the main body, advancing or withdrawing in loose order and shooting at will from long range at enemy targets of opportunity. Given the rifle’s greater range and accuracy, why were not all infantrymen equipped with it?
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