NOT KNOWN FACTUAL STATEMENTS ABOUT SUPER177

I might unquestionably attempt them. There exists not rationale that they might not work just good with your Beeman. I've experienced fantastic luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin etcetera.). I might check out a tin and find out how your Grizzly likes them as all guns appear to have their most loved pellets.Umarex