RUMORED BUZZ ON SUPER177

I'd absolutely test them. You can find not rationale that they might not do the job just wonderful as part of your Beeman. I have had excellent luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so forth.). I'd try out a tin and find out how your Grizzly likes them as all guns appear to have their beloved pellets.Top quality