A SECRET WEAPON FOR SUPER177

I would surely try them. There may be not motive that they would not do the job just wonderful within your Beeman. I've experienced fantastic luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin etcetera.). I might attempt a tin and find out how your Grizzly likes them as all guns appear to have their favourite pellets.Umarex twel