THE 2-MINUTE RULE FOR SUPER177

I would certainly check out them. There is not purpose that they would not function just good within your Beeman. I have experienced 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 favorite pellets.So look out for ou