Spear did note he was loading long at 3" rather than the 2.8" sami standard, this will lower pressure or allow for more powder.
Still need to run through a model ie GRT etc.
Z
Spear did note he was loading long at 3" rather than the 2.8" sami standard, this will lower pressure or allow for more powder.
Still need to run through a model ie GRT etc.
Z
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