THE 2-MINUTE RULE FOR SUPER177

I'd personally definitely attempt them. You can find not rationale that they might not work just fine in your Beeman. I have experienced excellent luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and many others.). I would try a tin and find out how your Grizzly likes them as all guns appear to have their beloved pellets.Get F