I just recieved my DD mid-length rail yesterday. I'm still trying to decide on a RRA or Armalite barrel.
I would probably go with the Armalite if they offered it threaded and not pinned and pressed with their muzzle brake.
*I decided,
I just purchased a RRA 16" chrome-lined, mid-length, flat-top upper assembly. I'm going to slap my DD forearm on this along with a vortex FS and PRI front sight.
It's going on a pre-ban bushy lower with a Mag-pul stock. Should be finished by Dec. 1st or sooner, can't wait to post pics.
I almost went with the stainless 1 in 8 barrel, but settled on the chrome lined 1 in 9 because this will be a tactical plinker firing mostly whatever ammo I have on hand at milk jugs and aluminum cans out to ranges of 300 yds, not to mention the occasional household intruder. [rolleyes]
I'll post pics when I get it all together.