Could a BC-304 carry fewer railgun rounds because the weapons would rarely fire continuously?
Short answerIt is dangerous to plan around pauses; real wars routinely consume ammunition faster and for longer than forecasts predict.
NotesThe commenter notes that railguns will not fire continuously and suggests using saved magazine volume elsewhere. The answer rejects designing around assumed pauses because an enemy controls whether pressure continues. NATO war-stock calculations and actual missile expenditure in Ukraine illustrate how optimistic duration assumptions can leave a force needing roughly three times the ammunition planners expected. Designing for the lower figure turns an unfavorable tempo into an immediate endurance crisis. If the enemy does pause, the larger magazine simply leaves the ship able to fight for longer rather than wasting capacity.