Re: Length of time to get DPMS AR-15 uppper built !!!
For a lefty you would need a lefty upper receiver, lefty bolt carrier, (bolt is ambi just by rotating it) . The only other thing that I can think of is a barrel extension headspaced for lug engagement on a lefty bolt but I don't think there may be a difference. I don't see what the big deal is but I do know that they are way behind on their uppers. I was waiting on a upper that was on back order for 4 months. I finally just built my own using simular components.
There is a guy on another one of the forums that I'm on that works for Panther Arms as a machinist. I'll ask him if that is a tall order for a lefty.
Only cowards shoot with their eyes closed....