NOT KNOWN FACTUAL STATEMENTS ABOUT SUPER177

I might unquestionably try them. There may be not purpose that they would not get the job done just fine in the Beeman. I've experienced fantastic luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin etcetera.). I'd personally try out a tin and find out how your Grizzly likes them as all guns appear to have their most loved pellet