Just finished my second Range Session with my New Gen 2 Carbine. After my first session two weeks ago, I opened up the Peep Hole in the rear sight with my Dremel Tool but I still do not like shooting with a Peep Sight but It was much better shooting this time. other than this, I was very pleased with the performance of this gun in every other way and I am very pleased with the way it ate up all my ammo which was brass case, steel case and the aluminum case which I have heard, not to use! Even though I have not zeroed it yet, It was in or around the bulls eye area with my 200 round session. I was very happy with the way it shot right out of the box. The trigger is not the best but I'm going to keep it stock and just practice with it and I know I will do better in the future. One upgrade I will make in the near future is ordering the replacement rear sight from MCARBO and switch to the Notch Sight. All in All, I am glad I purchased this Carbine in 9mm.