Maybe I am late to the game but just tried the new CFE BLK in my 221 FB and itís impressive.
Mine is a CZ with a 16.5 inch barrel and with 40 gr bullets I am running 3300 and with 50 gr 3200.
Not too shabby.... headed now to go shoot some critters with it.
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."
Jack O'Connor 1963