Beauty thanks a lotI use 83 grains of 4320 and the 450 gr Swift A-frame, mostly because I have lots of it. 2400 and change for velocity.
The Woodleigh manual lists these for 400s:
Powder-min-max-velocity
H4198- 67-73.5. 2460
Benchmark-74-83. 2500
H4895-82-87. 2570
500 grains
H4895-78-82. 2230
Varget-79--83. 2220
R15-82-85. 2200



























