Chapter 1: The Mandalorian - S1-E1
Other mistake: Even if the structure of the door was damaged by the shots shown, Mando, who sprinted to it with remarkable celerity considering he just finished shooting, wouldn't have enough strength to just kick it open (it's visually implied that they took one door each). Needless to say also if the gun was able to punch holes into walls, it should have damaged the unarmored enemies maiming their bodies - obviously it's a limitation due to rating. (00:34:00)