Butch, are you open to a few suggestions or are the parts already ordered?
Sure!
16" at the max length. Even those are hard to handle getting in and out of a car. The lighter the profile the better. It'll be carried a LOT more than shot..
This ^^^. shave as much weight as possible and then shave some more. I run a mid-gas 14.5 pencil profile Hanson, presma brake with blast shield, mft minimalist stock, 14" rail and a light as far out as I can get. Pin that gas block and you are golden.