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ghbucky01 · June 9, 2014, 11:05 AM

I called IMR and asked them why no data for Clays in 9mm under 147gr Lead bullet.

The answer was that they consider the powder to be too fast for that heavy of a bullet. By the time they got acceptable velocities, the pressure was too high.

June 9, 2014, 11:05 AM	#19
ghbucky01 Senior Member Join Date: February 14, 2014 Location: Northern, KY Posts: 176	I called IMR and asked them why no data for Clays in 9mm under 147gr Lead bullet. The answer was that they consider the powder to be too fast for that heavy of a bullet. By the time they got acceptable velocities, the pressure was too high.