Sold my K-80. It had "Phillip's" Release in bottom barrel. Buyer wanted Pull/Pull. I took out the release parts to make it P/P. Here are the Release parts with the longer pins that replace the 2 shorter pins. Just remove the 2 short pins--Install 'Release' part with the longer pins and you are good to go--RELEASE--PULL.--Nothing to it !! $150.00 Shipped. PM or 406--961--3311.