SUPER177 FOR DUMMIES

I would certainly try them. There may be not cause that they'd not function just high-quality in your Beeman. I've experienced fantastic luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so on.). I would try a tin and find out how your Grizzly likes them as all guns seem to have their most loved pellets.Umarex twelve Gram C