I know I’m going to be tiresome by asking for it once again so that the Germans can have a “different” shotgun from the rest, although Japan shares the same shotgun as the Americans and the Russians could adjust the TOZ-B to give more power to the dispersion, damage and distance of its projectiles in exchange for a greater amount of recoil as you can see in this video , I think it is fair to ask that Germany can have its third projectile, which although it is a war crime to use it, would make a unique difference to the weapon, attached for the developers two
videos of a kit and how the mechanism works and how in turn it had a possible sight if necessary.
No ammo
Rifle Sight (and not the scope from video)
Reloading
Frontal View
Drilling Reloading with rifle bullet system included video