SUPER177 FOR DUMMIES

I might absolutely test them. There may be not rationale that they might not perform just fantastic with your Beeman. I have had good luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin etc.). I would consider a tin and see how your Grizzly likes them as all guns seem to have their favorite pellets.The RWS Superdome for air rifle