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Old 01-04-2010 | 07:16 PM
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Semisane
Boone & Crockett
 
Joined: Apr 2007
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From: River Ridge, LA (Suburb of New Orleans)
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I looked back through my old Mustang targets (Oct `07) and found a couple where I chronographed some JSG loads. Here's the data.

90 grains volume of powder & 385 gr Hornady Great Plains (5 shot averages)
JSG = 1018 fps
Pyrodex RS = 1144 fps
T7 FFFG = 1583

105 grains volume of powder & 300 grain Gold Dot/H5045 sabot (5 shot averages)
JSG = 1264 fps
T7 FFFG = 1835 fps
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