I shoot rainier 180's with unique 5.8 grains and a fed primer . That is a lite load.
www.sportsworldtulsa.com/has the best price on bullets. I to love the P229 I have 4 of them I like them so much. Don't over crimp it or it will shoot like crap. I load to a col of 1.135 . There is some good load info here
www.realguns.com