Yes it covers both sides of the barrel
Yes it is tuckable the y clip was a area that the pants falls into and then the shirt goes between holster and y clip
Have not tested sweat sheild as of yet so Unknown
the Clip holds it pretty good but not the best
The AF is the family business and so I am in ROTC either going intel or Security forces have not been told as of yet.
check out the link for pics of mine
Sky Ops