DETAILS, FICTION AND SUPER177

I might certainly test them. There is not purpose that they would not do the job just fantastic inside your Beeman. I've had superior luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so forth.). I would test a tin and find out how your Grizzly likes them as all guns appear to have their preferred pellets.Good quality ammo,