Downgrade late 2013 mbp to mountain lion

Hi,
Im looking at buying a macbook pro late 2013 model, with OS Mavericks installed. But I would like to wipe it off and install mountain lion.
Would this be possible?
I have a mbp at the moment with mountain lion 10.8.5 - would i be able to use that somehow?
I'd prefer to do a fresh install os mountain lion if possible.
Any help would be really appreciated,
Thanks

Before you wipe out Mavericks on the new MBP, you want to check if the older OS will support the new hardware and firmware of the Retina MBP. One method is to use Target Disk Mode between the old MBP and the new one and see if it works correctly.
If you need to run 10.8.5, you can also consider virtualization solutions (like Vmware) to run a ML VM. You want to make sure you buy a MBP with enough memory so it can support the VM and the underlying OS, both, otherwise you will end up with beach balls of death.

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Downgrade late 2013 mbp to mountain lion

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