Thread: Determining OAL
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Old March 13, 2012, 04:24 PM   #1
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Join Date: December 29, 2010
Location: Gwinnett County Georgia
Posts: 778
Determining OAL

Someone told me about a way you can figure the optimum OAL for your pistol by using a black marker and dropping a round into the barrell and pushing it down until it touchs the lands and groove..........and then I didn't catch the rest of it. Anyone used this method? If so could you expound on it?
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