Hi sniffer,
I have an Air ranger in 177, here are my findings with regards to pellets
I have just tested mine with Dynamic pcp, RWS Super Field, JSB Exacts, AA Diablo, Accupel, Rangemaster Li, Range Right Exterminator (new name for logun penetrators) and a few others
the Dynamic and the Logun are similar being long with mushroom heads
the RWS super-field, JSB, AA diablo are similar with the classic pellet shape, thinner skirt and shorter
the rangemaster Li and the accupels are very similar to the crossman premier, short squat pellets with the skirts partly filled in, and a