Yes, the Ghost Firearms Upper Receiver, Rifle Lower Parts Kit will include everything you need to complete a stripped lower receiver.
No, this can be shipped directly to your home.
Yes, all of the listed kits include an M16 BCG and a Mil-Spec charging handle.
This kit includes a 16" 4150 Chrome Moly Steel Barrel that is Black Nitrided and has a twist rate of 1:8. The kit also includes a mil-spec M16 BCG.
Yes, it is.
Yes, it comes with the bolt carrier group and charging handle.