Magnums were created to make money ... to sell more rifles and ammo. Thus, we have 3-inch, 20 gauge magnum shotshells that launch payloads with less velocity than standard loads. We have a .17 Hornet that throws a 20-grain bullet 3,600 fps, and a .17 Win. Super Mag. that throws the same 20-grain bullet 3,000 fps.
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