THE 2-MINUTE RULE FOR SUPER177

I'd personally unquestionably attempt them. There's not rationale that they might not do the job just great in the Beeman. I've experienced very good luck with RWS pellets in all of my airguns (Hatsan, Crossman, Benjamin etc.). I might try a tin and find out how your Grizzly likes them as all guns seem to have their beloved pellets.Top quality ammo