Ahhh, gotcha. I figured this was the situation. Unfortunately the laws of physics make it so that power-caliber size-velocity-noise level are all connected. You can have Power with large caliber & low velocity/low noise. Or you can have Power with smaller caliber & high velocity/higher noise. But you CAN’T have Power with smaller caliber & low velocity/low noise! Darn “law of physics” always gettin’ in the way of things!