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Thread: IBO and AMO
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Old 01-11-2006 | 11:33 AM
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newman1
 
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From: Milford, Delaware
Default RE: IBO and AMO
IBO is anarrow that is 5 grains per pound draw weight at 30 inches.And AMO is an arrow that is 540 grains from a 60 lb. bow at 30 inches.
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