crshelton
(.333 member)
03/09/22 07:37 AM
Re: 375 FL NE 2 1/2, 405 Win in Charles Lancaster Falling Block

niftynero,
3031 was one of the powders for which I estimated a N133 equivalent so that I could "copy" a high velocity express load. I loaded and pressure traced the N133 loads.
First, no peaks, just a smooth curve.
Second, the highest point on the pressure curve was 12,000 PSI lower than 30301 peak!

No big deal for a modern high quality firearm, but ,,,, recoil and such ,,,

Important to me and I have moved on to the N133 "Express" 45-90 load. My .45-90 DR regulated with NF 350SS bullets that group nicely at 100 yards.



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