Re: Powder question
I believe you are loading for a 7mm RUM (based on your past postings). H1000 is a great powder for that and the Bergers.
Trim your brass, deburr them and shoot. If they stretch a lot, you can trim again. But there is no reason to trim if they haven't grown much, once the neck is trimmed/squared up the first time, just keep an eye on them (measure after you fire/resize them). Basically keep them trimmed back as they grow, every 2-3 firings or so typically. Only debur after trimming.
The temperature is the issue with powder, depending on which season you are hunting, the temperature may or may not be real cold. Work up your loads in the morning when it's cool, keep your ammo in a cool box and stay out of the sun. This will more closely mimic the temperature you will see out in Utah.
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Last edited by AJ Peacock; 07-27-2009 at 08:29 AM.