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Trying to get some 500 grain loads going...
... for the 458 SOCOM.
The inter-web is big on questions but very short on solutions for this one question.
So far I have the option of 21ish grains of 4198 or 17ish grains of H110 for the 500 grain Hornady RN. Someone suggested Trailboss but there may be a problem with case capacity.
Let's get the ball rolling on this one - I think the bolt gun may give higher velocities tho'.
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