The Saeco 405gr. FP PB and it's twin the 465gr.FP GC are consistantly the most accurate bullets in various .45s smokeless or black, tested in probably a dozen diff. .45s including Marlins, NEFs, Rugers, .45/90s, 45/100s. The 465 gr. is the bullet Mitchell uses in his book on the 45/70, he loads that bullet to 2000fps and has pictures of groups under 1" at 100 yds, ask him. I have occasion to shoot at least 10 dif. cast bullets of .45 cal. and those 2 Saecos are tops!!