NOT KNOWN FACTUAL STATEMENTS ABOUT SUPER177

I might absolutely test them. There may be not rationale that they might not get the job done just fantastic within your Beeman. I have had fantastic luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and many others.). I might consider a tin and see how your Grizzly likes them as all guns seem to have their most loved pellets.U