Re: LMT, Larue OBR or POF which one
I too have read all these threads on the various models. I don't own any of the above but I guess first I'd ask is money an object? The POF would be the cheapest and feature Rock Creek barrels also a piston if you're into that. All reports seem to say these rifles are accurate.
Of your other two choices, well they're really the same price if you get the stainless barrel for the LMT. The ability to change barrels/calibers for the same price might be something you want to consider.
Also, you should search the threads and ask the guys who have said the OBR is a pain to put a scope on, see what they say.