Both loads use the Lyman 358429 CB, crimped in the crimping grove. The bullet is cast from wheel weights with 2% Tin (by weight) added. CB's are air cured. Brass is trimmed, Federal small pistol primers are used. Brass is partially resized (1/3rd the OAL case length.
Loads:
4.0grs W231
5.0grs Unique