Best of Non-Lead Pellets?

I use H&N Baracudas 5.71gn, shot out of a Beeman underlever or crosman 2240. The Beeman is my goto when I feed my friends, Red Squirrel or chipmunks .
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I might have shot just about every non-lead pellet out there. In my experience, it depends on the gun. Some like one kind of pellet, others prefer a different pellet, just like with lead pellets. Are you disappointed with the accuracy of your current non-lead pellets?
No, I am trying to get my kids into the sport, but slightly worried about lead exposure. Not too concerned for myself.