I'd unquestionably try them. There's not purpose that they would not function just good inside your Beeman. I've had very good luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so forth.). I'd try out a tin and see how your Grizzly likes them as all guns seem to have their favourite pellets.Umarex 12 Gram CO2 is cleanse jog… Read More