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.
History fails to record a single precedent in which nations subject to moral decay have not passed into political and economic decline. There has been either a spiritual awakening to overcome the moral lapse, or a progressive deterioration leading to ultimate national disaster.
If you think a strong military is expensive, think about what a weak one would cost