NOT KNOWN DETAILS ABOUT SUPER177

I might surely test them. You can find not reason that they'd not operate just wonderful as part of your Beeman. I've had great luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin and so on.). I would check out a tin and find out how your Grizzly likes them as all guns seem to have their favourite pellets.The RWS Superdome for ai