Remington Outdoors was Freedom Group, which was owned by Cerebus. Cerebus is a venture capital company and they bought Bushmaster, and a whole list of other gun and ammo manufacturers. They took all of their AR15 manufacturers and consolidated them in one factory.
I think they decided to divest all of their firearms related companies after Newtown or maybe another high profile incident.
Cerebus is also the company that drove Chrysler into bankruptcy and then sold it off to Renault.
All of which is to say that you are probably correct about their expansion being mostly by acquisition.
I don't know who actually owns Remington Outdoors now, but they are based in Ilion and have stated no current plans to move anything out of New York.
G-Mac, maybe unlike other companies, they have some loyalty to their employees and don't want to put a bunch of hard working people who have been loyal to the company out of work to make a political point or to save a few dollars here and there.
The company after which this forum is named has, from what I've been told, a similar philosophy. They pride themselves on having an experienced work force with many of their employees having been with the company over 30 years.
Frankly, I wish more companies would have that sort of loyalty to their workers.
I think Remington's out-of-NY-state locations were through acquisition of existing companies and those company's existing facilities. I believe this to be the first time Remington has expanded their gun manufacturing outside of Ilion, NY. (?)
That doesn't take away from the anti-gun and yes, anti-business climate fostered by the current NY leadership.