RUMORED BUZZ ON SUPER177

I might undoubtedly try them. You can find not motive that they would not get the job done just wonderful inside your Beeman. I've had superior luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and many others.). I'd personally consider a tin and see how your Grizzly likes them as all guns appear to have their preferred pellets