Hi Tony,

In the earlier 7th edition, it shows 2 loads for the 10.3x60R,

235 SP RL-15 66.0gn MV 2432 ME 3324 RWS info
330 SP FL MV 2070 ME 3143

Same book but under the 450/400 BPE 2 3/8” & 450/400 Nitro for BP

230 Lead FL 1750 1563 Smokeless Factory Load
270 Lead FL 1650 1640

Just had a thought, if your busy for 4 months, how can you build this one.... Just Joking

Cheers,

Jeff Gray