SUPER177 NO FURTHER A MYSTERY

I might unquestionably check out them. There is not reason that they would not work just fine as part of your Beeman. I've had excellent luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so on.). I'd attempt a tin and see how your Grizzly likes them as all guns seem to have their preferred pellets.Good quality ammo, I under