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Old 09-30-2012, 13:50   #3
Matthew Courtney
CLM Number 285
Instructor #298
 
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Join Date: Oct 2002
Location: Lake Charles
Posts: 6,004
The trace off is this: The 2 extra inches of barrel only get one about 100-150 fps of muzzle velocity, which means about 30-40 yards more range at supersonic velocity at the cost of nearly a half pound. 10-15% more weight for 5% more range under optimal circumstances.
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