SUPER177 CAN BE FUN FOR ANYONE

I'd definitely check out them. There may be not cause that they might not function just wonderful within your Beeman. I've had good 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 beloved pellets.Umarex twelve Gram CO2