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porklard · May 10, 2018, 08:05 PM

In November I bought the new Ruger SRH Revolver in 10mm Auto. In April I got a 10mm finish reamer from Dave Manson and converted the cylinder to 10mm Magnum. It's a great shooting piece of steel.

I have been working up loads in H110 and AA#9 and just finished a workup in AA#7 and Longshot. I was disappointed in the H110 - it doesn't increase velocity through the workup from 20 to 21 gr. The AA#9 went up nicely though, finishing at 18gr and 1485 fps. There were no signs of overpressure so I will push that a bit more.

Does anyone have any pointers?

May 10, 2018, 08:05 PM	#1
porklard Member Join Date: March 24, 2014 Posts: 15	10mm Magnum Revolver In November I bought the new Ruger SRH Revolver in 10mm Auto. In April I got a 10mm finish reamer from Dave Manson and converted the cylinder to 10mm Magnum. It's a great shooting piece of steel. I have been working up loads in H110 and AA#9 and just finished a workup in AA#7 and Longshot. I was disappointed in the H110 - it doesn't increase velocity through the workup from 20 to 21 gr. The AA#9 went up nicely though, finishing at 18gr and 1485 fps. There were no signs of overpressure so I will push that a bit more. Does anyone have any pointers?