Question: The .308 Norma Magnum was superseded in popularity by a firearm that was released in what year?
Sentence (from "Sako TRG"): The TRG-21 and TRG-22 are designed to fire standard .308 Winchester or 7.62×51mm NATO cartridge, while the TRG-41 and TRG-42 are designed to fire the more powerful .300 Winchester Magnum and .338 Lapua Magnum cartridge and therefore having a standard larger action and barrel.
Relevant evidence: No