I might definitely attempt them. There is certainly not cause that they would not perform just fantastic within your Beeman. I have had excellent luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so on.). I would attempt a tin and find out how your Grizzly https://super17725791.bloguerosa.com/34913402/5-simple-statements-about-super177-explained