Forum: 300 Whisper Rifles and Pistols
11-15-2012, 10:36 AM
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Replies: 8
Views: 7,817
First round Pop
You sure you didn't have a cartridge that ever so slightly crept over into supersonic velocity. Reason I ask is I loaded some 1050 fps 220 matchkings, shot nicely in the backyard at elevation under...
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