From purely a safety standpoint, you can probably get it down to 2.5 pounds...but boy howdy, you'd better be careful to see that nothing is touching the trigger when reholstering.
Is gun. Gun not safe.
It's not a toy and it sure ain't your friend. It turns into a rattlesnake the instant you put your hand on it.
If your front porch collapses and kills more than three dogs...You just might be a redneck