If it is of any help.....

223 Remington, 40 gr

Bullet, Powder Weight, Powder, Velocity, OAL, Primer,Source
Nos BT, 25.5 gr, H322, 3,574 fps, 2.280", WSR, Hodgdon

Suggested starting load: 23.0 gr

Pressure: 48,000 CUP

http://www.handloads.org/loaddata/de...Source=Hodgdon