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I whipped up a casting machine over the weekend to make it easier and faster to cast bullets. I already had a Lee bottom-pour pot and an RCBS mould, so I built the machine around those two components. I watched several videos of the Magma Engineering Master Caster and felt that the design was simple enough to duplicate. I bought the shaft, shaft collars, mounted bearings and some steel and had the rest lying around. Short video of the machine in action: Finished bullets drop into a 50-cal ammo can and the sprues are dropped into a 30-cal can. Overall, I am happy with the results but I need to add a squirrel cage blower to speed up the cooling process and increase the output. The 20lb pot is probably going to end up being too small and I predict (with the blower), I will be able to outrun the smelting capability of the pot. The real Magma has a larger pot, pours both cavities at once, and is a one-handed operation, but my version cost me a lot less and I can use off-the-shelf RCBS moulds.