I don't know, I have never heard much if any, at all, discussion about the L T T. Vaguely I do remember reading that it would be hand stamped? but I cannot recall where so I might be mistaken. There is also a 7 at the bottom of the bolt handle and a Hatcher hole that I did not mention earlier. That stock fits the action and barrel incredibly well. I can see where the receiver behind the recoil lug has mated itself across the entire contact area and when I put it back together there was no interference with any of the exterior parts. Even at the rear tang area magazine box etc. Thanks for looking.