Now is there not here on hand any spear or sword?

Here "on hand" is a metonym meaning "available." See how you translated this in 1 Samuel 21:3. AT: "Do you have a spear or sword that you can give me?" (See: rc://en/ta/man/translate/figs-metonymy)

weapons

a general name for such things as swords, knives, bows and arrows, and spears