THE DEFINITIVE GUIDE TO SUPER177

I'd definitely test them. There exists not cause that they might not function just great with your Beeman. I have had good luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and many others.). I'd check out a tin and see how your Grizzly likes them as all guns appear to have their preferred pellets.Good quality ammo, I never see