Here’s my outline I just pieced together of 1 Peter:
1:1-2 – Epistolary Opening
1:3-7 – Narratio #1
1:8-9 – Exordium
1:10-12 – Narratio #2
1:13-4:19 – Probatio
________1:13-21 – Be holy as I am holy.
________1:22-25 – Love one another because of the Word.
________2:1-12 – Living Stones, Be holy
________2:13-17 – Christian conduct in Pagan Society
________2:18-25 – Instructions to Servants
________3:1-6 – Instructions to Wives
________3:7 – Instructions to Husbands
________3:8-12 – Instructions to all
________3:13-22 – Suffer for doing good
________4:1-11 – Don’t live for the flesh anymore
________4:12-19 – How to suffer persecution
5:1-10 – Exhortatio
________5:1-4 – To presbyters
________5:5 – To the youth
________5:6-10 – To all
5:11 – Benediction
5:12-14 – Epistolary Close