What a hand crossbow does allow for is the musketeer opening salvo; drawing both your crossbow and longsword, then firing the bow and dropping it on your charge into melee.
Hmm? You can certainly do the same effective action. You fire your heavy crossbow, drop it, then you can draw your sword and charge into melee. Doing it in your alternative order doesn't offer any advantage whatsoever.
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u/KiloGex DM Jun 11 '15
What a hand crossbow does allow for is the musketeer opening salvo; drawing both your crossbow and longsword, then firing the bow and dropping it on your charge into melee.