THE 5-SECOND TRICK FOR SUPER177

I'd surely consider them. There may be not explanation that they would not perform just great in the Beeman. I've had excellent luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and many others.). I'd personally consider a tin and find out how your Grizzly likes them as all guns seem to have their favored pellets.The RWS Superd