CFE223 is in the correct burn range of powders listed for the 22BR and I know it has the potential for great velocities with other cartridges using powders in that range (556, 65 Grendal, 68SPC) certainly worth a look. If you have any to try I would not overlook AR-COMP its given me stellar performance in all cases using that burn range with good velocity and low SD with great accuracy.