THE SUPER177 DIARIES

I'd personally unquestionably try them. There's not purpose that they would not do the job just fine in your Beeman. I have experienced superior luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin etcetera.). I'd personally try out a tin and see how your Grizzly likes them as all guns seem to have their preferred pellets.Umarex t