MG-34 TWN Semi-Auto only

Conducting a live-fire function test to my TWN returned from the manufacturer. When I first received firearm there was a malfunction with the feed and head spacing when it was returned proceeded to the firing range to confirm the fix. This is a semi-automatic firearm produced by TWN firearms, the rifle itself is originally produced by BSW in 1937. Cameraman is myself the operator is my brother, this is his first time firing a belt-fed.