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Here is some
You can easily extrapolate from Hodgdon's data.
They list for BLC2:
I use BLC2 in my own 9.3x62 it delivers higher speeds than Hodgdon's data shows. Hodgdon shows the same data for the 270gr., but also lists lighter bullets in the .376 Steyr cgt.with BLC2. The Steyr has a slightly larger case than the 9.3x62- by a couple gr.
I'm sure you can safely start at 64.0gr. and go from there, as pressure signs indicate.
The lighter bullet should give the same speed as the heavier one, with the same load. A chronograph is necessary when developing your own data.
Hodgdon's listed Data - EVERYONE needs to purchase this Annual Manual. This data is from their 2004 manual.
270gr. Speer -
starting load 60.0gr. - 2,338fps at 39,600CUP
maximum load- 66.0gr. - 2,548fps at 47,400CUP
You would want to proceed with care, but I use CFE223 as a substitute for BLC-2. They seem to perform the same in my 7-08. BLC-2 is a very dirty burning powder.
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