RUMORED BUZZ ON SUPER177

I'd personally definitely test them. There's not reason that they would not operate just high-quality in the Beeman. I've experienced very good luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and many others.). I might try a tin and see how your Grizzly likes them as all guns appear to have their most loved pellets.The RWS Su