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**4V50 Gary** · May 14, 2018, 08:08 PM

Drop a chunk of brass down the chamber. Then pound in a lead ball halfway. Invert the cylinder and shake over a box of sand. The brass will pound out the ball. Mic. the ball. Whatever it reads, add .001 and use that size ball.

May 14, 2018, 08:08 PM	#12
4V50 Gary Staff Join Date: November 2, 1998 Location: Colorado Posts: 21,832	Drop a chunk of brass down the chamber. Then pound in a lead ball halfway. Invert the cylinder and shake over a box of sand. The brass will pound out the ball. Mic. the ball. Whatever it reads, add .001 and use that size ball. __________________ Vigilantibus et non dormientibus jura subveniunt. *Molon Labe!*