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I find it hard to believe that anyone would think that the 300 Wisper would make a good "gallery rifle". Your gallery had better have very solid walls. A 240 Sierra matchking at 1000 FPS has 533 ft-lbs of energy. It also has 30% more momentum than a typical 223 at the muzzle. And the 223 loses energy and momentum much more rapidly with distance. A 240 SMK @ 1000 fps muzzle velocity can be lethal at well over a mile. That doesn't mean it will be accurate at that distance, but it's certainly dangerous.
Last edited by LouBoyd; 06-02-2010 at 10:51 AM.
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