Looks like the human buzz saw business model didn’t work out so well.
https://abcnews.go.com/amp/US/wireStory/gun-factory-upstate-new-york-roots-19th-century-105330722
I have mixed emotions about union workers losing their jobs making AR 15s. For me the most important thing is the Bushmaster was sued out of existence because of Sandy Hook. 
@SpinozasHeresy Hm. "Owners announced plans in 2021 to move the company’s headquarters to Georgia." So it's not that they aren't profitable; they're closing in NY to move to a less union friendly location.