Out of the 2002 Accurate book, 25 gr gives 1 1/8 oz 1310 FPS @ 9100 PSI when coupled with Gold Medal hull, Fed 209A primer, and 12S3 wad. I have used 23.5 gr, which gives 1 1/8 oz 1255 FPS @ 8000 PSI. This is one great load. It BOILS 27 yard targets!