If you want an infinite ammo turret raft use these.all you got to do it make a 2 bye 2 on the raft of any kind of mat make the house and the place 2 ceilings on each side.then place 8 double doorframes on each side.finally put the velos in the 2 bye 1s on the raft and put them on turret mode and there you have an infinite ammo turret raft