You are allowed to use this mod in your modpack This mod will end your problem with running out of ammo, as you can with it shoot blocks from your inventory! Blocks deal damage depending on how hard it is, and gives serious knockback. For first, you will need to craft a block launching part: Then, you can use it to make a gun: Block Rifle Has high rate of fire, can shoot weaker blocks such as dirt or cobblestone. Block Cannon Can kill most mobs with one shot, but needs more heavy blocks, obsidian, or stone at least. Shotblock Shoots multiple blocks at once, deals high damage at close range.