This mod idea is fairly basic but I feel it can add alot to the game. Basically what the mod would do is when you craft a dispenser with a enchanted bow instead of getting a normal dispenser that shoots regular arrows the dispenser will now take on the enchantments that the bow had.

For example if the bow had a flame enchantment and you used it for a dispenser the dispenser would now shoot flame arrows. This is better than putting lava in front of a dispenser and is more accurate and less glitchy than fire charges.

Another example would be the punch enchant which could be used to knock back mobs or other players, or the infinity enchant which will allow you to use and infinite number of arrows

Now an obvious thing that can be taken advantage of is that dispenser's bows never break so the mod would have to eitheir make it so the dispenser block itself has a durability or make a seperate crafting recipe for dispensers that use an enchanted bow to have durability on it.

Though if this problem can be solved I think this mod could make adventure maps and multiplayer severs like "The Walls: have an extra level of ingenuity.