The Medalist has an aluminum chassis molded into the stock for strength. But that adds weight and is why they have to be so bulky. The Ti and mountain stocks do not have the metal inserts. They are somewhat lighter, but still not in the same class as an Edge from McMillan. Without the metal insert they are not a very strong stock. I've seen photos posted with them breaking at the grip from being fired. The factory tupperware stock is a MUCH stronger, tougher stock than the ones without the metal insert.
