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Old 02-12-2013, 12:37   #12
SDGlock23
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Join Date: Jan 2005
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According to my notes, 6.2gr of Unique will push a 230gr loaded at 1.240" to around 860 fps from a Glock 21. 6.0gr also works good if you're looking for around 820-830 fps.

6.5gr will do about 920 fps from a 5" bbl.
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