Garmil Posted March 10, 2015 Share Posted March 10, 2015 Using .40 nosler 135 jhp 1.125 oal. Started with the publishing starting load of 8.5 grains. Average velocity was 1400 fps. Right below the published max load (11.5 1434 fps) I also tried 9.0 grains and those went 1505fps. The book lists a 4" barrel and I'm using a 6". Should the extra barrel length make that much of a difference? Link to comment Share on other sites More sharing options...
Pat Miles Posted March 10, 2015 Share Posted March 10, 2015 In a word, yes. That's why you should always chrono any development loads Link to comment Share on other sites More sharing options...
Garmil Posted March 10, 2015 Author Share Posted March 10, 2015 Yes I always chrono. Is it safe to drop below the starting load to try and get closer to 165pf? Link to comment Share on other sites More sharing options...
Pat Miles Posted March 10, 2015 Share Posted March 10, 2015 I wouldn't have a problem dropping below. In some cases low pressure loads will not completely burn the powder charge and leave behind powder flakes. You might have to try a different powder. Link to comment Share on other sites More sharing options...
Garmil Posted March 10, 2015 Author Share Posted March 10, 2015 It did feel surprisingly soft for 190pf. Using a lee auto disc so my next option is 7.9 grains I'll try that and see how it looks. Link to comment Share on other sites More sharing options...
Pat Miles Posted March 10, 2015 Share Posted March 10, 2015 190 power factor! Soft? Link to comment Share on other sites More sharing options...
Garmil Posted March 10, 2015 Author Share Posted March 10, 2015 Well the barrel is actually 6.6 inches with the threads plus a comp that helps a lot! The 9.0 was 202pf and didn't feel too bad lol Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now