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Long Range Hunting & Shooting
338-378Wby
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<blockquote data-quote="Chawlston" data-source="post: 165366"><p>One more minor point..... I tune my loads different than most. I first find the point of land engagement and use this for pressure testing. Secondly, I pick a starting load and increase the charge exactly 1gr at the above seating depth. When I encounter a sticky bolt lift, I stop and then back off one grain as this is the starting point for tuning the load. Next I load them up in batches that are incrementally seated .010" deeper with each test batch and then select the best based on chronograph and group size. I have switched exclusively to the Hodgdon extreme powders and usually are tuning the load in the high eighty degree temp range to ensure I am operating at the peak temps I will see during hunts. I only shoot in the first three hours of the morning prior to mirage being present. Hope tis helps.</p><p></p><p>Chawlston</p></blockquote><p></p>
[QUOTE="Chawlston, post: 165366"] One more minor point..... I tune my loads different than most. I first find the point of land engagement and use this for pressure testing. Secondly, I pick a starting load and increase the charge exactly 1gr at the above seating depth. When I encounter a sticky bolt lift, I stop and then back off one grain as this is the starting point for tuning the load. Next I load them up in batches that are incrementally seated .010" deeper with each test batch and then select the best based on chronograph and group size. I have switched exclusively to the Hodgdon extreme powders and usually are tuning the load in the high eighty degree temp range to ensure I am operating at the peak temps I will see during hunts. I only shoot in the first three hours of the morning prior to mirage being present. Hope tis helps. Chawlston [/QUOTE]
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