NOT KNOWN DETAILS ABOUT SUPER177

I would definitely attempt them. There exists not motive that they would not operate just fantastic in the Beeman. I have had very good luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so on.). I might check out a tin and find out how your Grizzly likes them as all guns appear to have their favorite pellets.Get FREE shippi