NOT KNOWN FACTUAL STATEMENTS ABOUT SUPER177

I would certainly try them. There's not explanation that they'd not perform just fine in your Beeman. I've had good 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 beloved pellets.Umarex twelve Gram CO2 is clean manag