SUPER177 NO FURTHER A MYSTERY

I'd personally definitely try out them. There may be not motive that they might not do the job just good in the Beeman. I have had very good luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so on.). I'd check out a tin and see how your Grizzly likes them as all guns appear to have their most loved pellets.Get FREE shipping