Well, the listed amenities at the Steeple include a holographic training facility courtesy of Washu. Is this likely to be an extradimensional space and if so, is there any reason for it not to include a firing range?
Note that the Scoobies are likely to want someplace where they can practice with crossbows and the Nanoha cast might want to be able to practice ranged spells.
Note that the Scoobies are likely to want someplace where they can practice with crossbows and the Nanoha cast might want to be able to practice ranged spells.