SUPER177 NO FURTHER A MYSTERY

I'd unquestionably attempt them. There's not cause that they might not perform just high-quality in the Beeman. I've experienced great luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and many others.). I would attempt a tin and see how your Grizzly likes them as all guns seem to have their beloved pellets.Umarex 12 Gram CO2 i