Since at least their '01 catalog, the 686, 686 Plus, and the 686 PowerPort were the models offered. The only 'PowerPort', or comped, model offered from '01-'08 was the 6" 6-shot - SKU #164272; it is not in the '09 catalog. The 686P generally is used in place of '686+' or '686 Plus', while the 686 PowerPort is denoted as the 686PP even in the '08 catalog (pg 41).
Stainz
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