In my limited experience of over 35 years shooting and what must be (I don’t like to think) over 100 air guns, I have never had a gun that shot badly with Hobbys. Everything has shot them at least acceptably, many really well.
I don’t approve of the ribbed design (induces drag, surely?) but they are good pellets at a good price. It frustrates me to see shooters buy slightly cheaper (Gamo, BSA, etc) makes, saving pennies but getting much worse performance.
And, yes, despite what many people think, a good flat head that leaves the barrel carrying 11 ft-lbs is still effective at 25-30 metres on quarry. Personally, I preferred a good dome when I’be done bit of light pest control, but the idea many have that wadcutters are useless on quarry beyond spitting distance is flat wrong.
Next similar thread: Gecos? They are pretty good too.