As you say Matt, a very useful explanatory video, and to paraphrase a well know saying, a video is worth 1,000 words. Despite the gun’s complicated cocking/ loading sequence, and a cocking method as crude as that of the humble Gat, they were made and sold in quite high numbers. Even more surprisingly, it was considered good enough for the Eastern Engineering Co. in the USA company to make their own copy, called the Gamester (see https://forum.vintageairgunsgallery....tol/#post-3650).

The Hubertus has a simple and but foolproof safety system that ensures that the piston cannot be accidentally fired when the action is open. To open the action, the ring has to be slid back, and in doing this, the ring blocks any movement of the sear.