The new batch of T97s appear to have a different magazine: they are lighter, painted and aren't serialized to the rifle.
I have a friend with one of the new ones which has constant FTF problems and compared his mag to mine: the rivets on his are the proverbial hair higher than on mine & the 5th round is a struggle to fit... I suspect too much spring compression to allow proper stripping of the rounds by the bolt.
My magazine works perfectly in his T97.
D&H, Gen M2 Pmags and LAR15 mags work perfectly.
A man who views the world the same at fifty as he did at twenty
has wasted thirty years of his life.