I used the JSB Knockout slugs. They were accurate at 50 yards to my liking. Not sure on the energy. I don't have a chrono - yet.I've also run these in my Gamo Magnum 22 on occasion. Only bought one tin of them, and have went through about half of them.Haven't tried the Pile Drivers or the Rabbit Magnums yet.I get my Crosman 22 HP's from Amazon when they have them for ~$6.50 a tin of 500. I usually pick up 5000 rounds a month during the summer months...
I don't own one myself...but my friends and family know me for shooting airguns and when 2 of them recently came into market for an airgun for hunting/pesting/enjoyment, my best reccomendation was the gen 2 fortitude. They both purchased one which I helped them clean the barrel, find the pellet it likes and tune for shot count and power. They are both blown away by how awesome the gun is and I think it is an excellent starter gun or "non enthusiast" platform for someone who wants a gun to pickup and shoot well. I want one for the shotcount as a medium range bird/pest whacker, but would definitely want a better stock and trigger if I did. I got spoiled by my daystate there