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Dave R · March 25, 2010, 11:33 PM

Is your barrel longer than the test barrel the manual's velocities were measured from?

At any rate, you should tune your powder change to get the velocity you want in YOUR gun.

March 25, 2010, 11:33 PM	#3
Dave R Senior Member Join Date: January 7, 2000 Location: Idaho Posts: 6,073	Is your barrel longer than the test barrel the manual's velocities were measured from? At any rate, you should tune your powder change to get the velocity you want in YOUR gun.