And if you're shooting sabots, you really should be using a rifled barrel.
And, BTW, I have chronographed many slug and buckshot loads before I retired from LE.
My results were very different from yours.
For those who have fought for it, freedom has a taste the protected will never know
“There aren't any great men. There are just great challenges that ordinary men like you and me are forced by circumstances to meet.”[IMG] Admiral Bull Halsey
Stop the population explosion. Make war, not love :D