I do believe he means the Nosler 48 and if that is the case it only comes in the expensive M 48 Custom. The Patriot in LH or the new version of that would have been nice........
As an alternative I would try the Montana Rifle Co line of rifles. There is no upcharge for the left hand versions of the ASR, which is a clone of the Win Model 70. I am very happy with mine and the total cost was about equal to the fine tuned cost of my left hand Rem 700CDL. I was quoted about 7 weeks delivery for my rifle and it arrived early.. Good luck. Rol