5 1/2" barrel new model single six with the transfer bar. Don't know when it was made.
Nice, these are almost IMPOSSIBLE to find anywhere. You find it local or online somewhere? What barrel length did you get?
Did you jump on the Lanbo's or Rooftop Defense deal? I have some on the way too.Another 15 mil spec aluminum AR mags inbound here
Where do you buy your magazines?Another 15 mil spec aluminum AR mags inbound here