Difference in info?

[K_Hini]

I have a dilema here!! I have been reading a few different sources that say different max loads for a .357 mag with H110 and 158gr bullet. I have a book that says 17.0, a internet source (steve's reloading pages) that says 17.7, and another book that says 16.7. Which is correct I started the loads at 15.7 and stopped at 17.5 going up in .2gr increments. will this be safe or is it above what anyone else has for info??

my lyman 48th edition manual says 16.3-17.0gr H110. But everyone says that is too high making me think that I am wrong. should I not trust the manual??

158gr hornady XTP
H110 15.7-17.5
CCI small pistol mag primer
.357 mag Taurus tracker

please help
thanks
kyle

[glenn asher]

If you're going to use Hornady's bullets, I'd suggest using their data, as each bullet shape can effect pressures a lot. A Speer 158 may raise pressures higher than an XTP, for example, simply due to bearing surface lengths.

Some of Lyman's data hasn't been updated in years and years, and with the newer methods of measuring pressures, it may be obsolete, too. Lyman always ran their pressures awfully high, it seemed to me.

[K_Hini]

I am going to pull these apart and start at 12.6 and work up from there

thanks
kyle