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COAL question for 9mm 125gr CN black bullets in a M&P


gotigers

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I am fairly new to loading 9mm. I am loading for a M&P 9 pro. I've loaded a few hundred each of 115 RN Xtreme and 115 RN Montana gold with Bullseye. COALs have been 1.12-1.13 with good results. Recently I picked up some 125gr conical nose black bullets to try. The longest COAL I can get to fit a gauge or the barrel is 1.09 with 4.0gr of Bullseye. In my limited 9mm reloading experience, that seems short.

Will this load be safe to shoot?

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It depends on the bullet shape, I load RN 124 plated at 1.16" for both minor and major PF. If you don't hear the case go "plunk" on the chamber ledge, the bullet ogive is hitting the lands first.

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