MAMAs b0y | Minecraft: Aimable Redstone Turret (No Mods) - With Download Link @MAMAsb0y | Uploaded March 2014 | Updated October 2024, 1 hour ago.
This is a turret I've made using mostly command blocks. The key feature is that you can actually aim the turret where ever you look! This is achieved with some of the new commands featured in snapshot 14w11b and later.

You can find a download of the world here: planetminecraft.com/project/minecraft-aimable-turret