oldfrank Posted July 23 Share Posted July 23 I have searched here and the internet and cannot find lead data even though numerous searches say to use the Vihtavuori Lead load Data. Using a plated bullet like Xtreme it says 4.3grns for 981 PF 121 and max 5.1Grns 1132 PF 140. Can I just go a little lower than plated for coated? Do coated travel faster or slower out of the barrel. I would like to be at or a little under 120PF for a practice load. Thanks! Link to comment Share on other sites More sharing options...
bowenbuilt Posted July 23 Share Posted July 23 Plain lead is roughly 30 to 40 FPS quicker than plated or coated. You can take it from there and come up with the load you are looking for. Link to comment Share on other sites More sharing options...
oldfrank Posted July 27 Author Share Posted July 27 Thanks, I was hoping for some more real life experiences with this combo. I will just stay on the lower to mid plated data and see what happens! Link to comment Share on other sites More sharing options...
4n2t0 Posted July 27 Share Posted July 27 (edited) Or you can, and should, just use lead data. It will be the closest to coated. That's why you don't see official data for coated listed almost anywhere. Edited July 27 by 4n2t0 Link to comment Share on other sites More sharing options...
bowenbuilt Posted July 27 Share Posted July 27 Old Frank, As you know, what they show is normally not even close to what you will actually get. Every gun is a rule unto its self. I would start with 4.1 and go from there. You will probably be surprised at what you get as opposed to what is printed. Any chorographical material is a certain gun at a certain date using a particular bullet and a particular lot of powder at a certain temperature at a certain elevation. A loading manual and certainly a burn rate chart (totally useless) is just a good starting point. Your pistol will determine the top or bottom load which may or probably may not be anywhere close to what is in print. A good chronograph is hard to beat when searching for the desired load and case head expansion is really the only high pressure sign I look for. Good luck on your search and have a great weekend. Link to comment Share on other sites More sharing options...
ddc Posted July 29 Share Posted July 29 (edited) Do you have a chrono? Edited July 29 by ddc Link to comment Share on other sites More sharing options...
perttime Posted July 29 Share Posted July 29 Why do you want to use N330? If you are looking for "sub Minor" PF, with 124gr, it is probably not ideal. Too slow burning. Not enough pressure to burn cleanly. Link to comment Share on other sites More sharing options...
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