NOT KNOWN FACTUAL STATEMENTS ABOUT SUPER177

I might surely attempt them. There is not explanation that they might not function just fantastic in the Beeman. I've experienced superior luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and many others.). I would test a tin and see how your Grizzly likes them as all guns appear to have their favourite pellets.The RWS Superdo