What MD said. Treat them them same as your starting loads from the low end so have some inbuilt safety already.
What MD said. Treat them them same as your starting loads from the low end so have some inbuilt safety already.
@Happy Jack when I work up loads I always mark the primer with a felt pen with various symbols and record the symbol and weight on a piece of paper that goes with me to the range.
If your cases aren't marked and you accidentally tip your loading block over there is no way of knowing which weight the loads are.
Here is a photo of what I normally do.
@Tech great idea, I was thinking how to know without writing on the cases
Greetings Happy Jack,
If you are able to chronograph those loads they will give you an indication of pressure. If not then you could try a few more .2 grain steps. Best save them for a calm day and definitely remember your sand bag. When testing you need to be as steady as possible. I use a front rest and a rear bag. I also place my non trigger hand on top of the scope to damp the movement. Once your development is complete then final sighting in should mimic how you would shoot in the field. As Micky says below your post you can use loads for cup and core projectiles (your projectiles are such) with most load data. I would go with the Hodgdons data. Once you have a load that shoots OK load 10 or so and use them for hunting while you refine the load over time. One last thing you need a decent aiming mark. A hollow square or circle is best. I use NZDA 50 and 100 metre targets but you can make some with red insulation tape on paper, A3 or larger. As an old draughtsman I have a lifetime supply of old plans that I use.
Regards Grandpamac.
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