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Rifles, Reloading, Optics, Equipment
Reloading
Need help interpreting OCW test results
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<blockquote data-quote="new2mud" data-source="post: 1915444" data-attributes="member: 24831"><p>To clarify the above, OCW is designed to find a forgiving node that will be resilient to slight powder charge variations and also temperature. And yes, it should yield a sub-MOA load that will be consistent across environmental changes.</p><p></p><p>However, it is all too easy to focus on group size when conducting OCW testing--which is why I remind folks that are doing OCW to focus on the group POI shift from group to group. This is why the 40.8-41.2 groups showed so much promise in the OP's original post.</p><p></p><p>Fine tuning seating depth around a 41.0 charge should result in a node that is very forgiving from day-to-day and temperature swings.</p></blockquote><p></p>
[QUOTE="new2mud, post: 1915444, member: 24831"] To clarify the above, OCW is designed to find a forgiving node that will be resilient to slight powder charge variations and also temperature. And yes, it should yield a sub-MOA load that will be consistent across environmental changes. However, it is all too easy to focus on group size when conducting OCW testing--which is why I remind folks that are doing OCW to focus on the group POI shift from group to group. This is why the 40.8-41.2 groups showed so much promise in the OP's original post. Fine tuning seating depth around a 41.0 charge should result in a node that is very forgiving from day-to-day and temperature swings. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Need help interpreting OCW test results
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