S&B is their premium ammo (Czeck Republic, IIRC) I've used a ton of it. the red lacquer sealant was required by their military back in Soviet days.
They are probably using a very tiny dab of clear sealant now, the way our American premium ammo makers do.
I didn't fight to defend your freedom so you could vote to take away mine.
"A man who has nothing for which he is willing to fight, nothing which is more important than his own personal safety, is a miserable creature and has no chance of being free unless made and kept so by the exertions of better men than himself.
John Stuart Mill."