Originally Posted by C.Eaton
Over 45yds and under 12fpe the average .177 pellet is starting to become unstable unless it's spun properly which doesn't seem to happen properly with the ST barrels at lower power levels. Maybe at higher power the smaller amount of twist is amplified which probably isn't the right word, but because the pellet is given more twist it stays stable further out? Who knows for sure.
This is my belief too, but does anyone have any empirical evidence? We've only got anecdote and supposition.