Hello, Blue Grouse. I have Sherman Bell's spreadsheets for 12 ga loads 1 1/8 and 1 oz with pressures starting at 4300 psi. I have supplied it various times over the years to members of this BBS, and I use loads in the 6000 psi range for my damascus Rem 1889 shotgun in local competition for older SxS shotguns. If you send me your email address, I will send both spreadsheets as attachments.

Jim Haynes
jhaynes@earthlink.net

Jim Haynes