Speaking to someone with decades of 3DP experience and much longer with firearms... I do agree its unlikely, but seen a number of home made silencers cause jams just like I see in the video. He also marked the rounds, if he scored them, their weight is also off/likely also caused burs... many possible reasons why the gunman experienced jams...
Breaking news, a so called suspect has been apprehend and a 3D printed gun was found.
“He was in possession of a ghost gun that had the capability of firing a 9-mm round and a suppressor,” NYPD Commissioner Jessica Tisch said at a Monday press briefing, adding that the piece “may have been made on a 3-D printer.”
