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Rifles, Reloading, Optics, Equipment
Reloading
Redding s type die advice
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<blockquote data-quote="RegionRat" data-source="post: 1604633" data-attributes="member: 57231"><p>Not knowing the exact details of your reamer, allow me to ask...</p><p></p><p>Have you tried to measure the CBTO with that bullet touching the lands?</p><p>If that reamer detail was up above I missed it, sorry... but a starting point can be driven by the magazine length in some cases, and the chamber dimensions in others.</p><p></p><p>If we assume your mag doesn't preclude seating anywhere you want, then I will suggest about 0.005" off the lands for a hunting rifle. You certainly don't want to jam since that often leads to a stuck bullet when you don't fire and then want to unload. Some rigs will shoot a better group at a deeper seating depth, but as stated earlier, unless you have a better guide going just off the lands is a common start.</p><p></p><p>Your first tests will establish your entry point for powder charge. Then, if you are in the mood, your next series will be for seating depth.</p><p></p><p>I saw some earlier advice about doing very little load development in order to save bbl life (and hair, LOL). But I have only seen that approach work well with very standardized weapons. I am often in the position of not being able to copy a good starting point due to bbl lengths, profiles, reamers, etc., and that forced me to use DOE methods to prevent wasting bbl life. YMMV and good luck in any case. In for the range report!</p></blockquote><p></p>
[QUOTE="RegionRat, post: 1604633, member: 57231"] Not knowing the exact details of your reamer, allow me to ask... Have you tried to measure the CBTO with that bullet touching the lands? If that reamer detail was up above I missed it, sorry... but a starting point can be driven by the magazine length in some cases, and the chamber dimensions in others. If we assume your mag doesn't preclude seating anywhere you want, then I will suggest about 0.005" off the lands for a hunting rifle. You certainly don't want to jam since that often leads to a stuck bullet when you don't fire and then want to unload. Some rigs will shoot a better group at a deeper seating depth, but as stated earlier, unless you have a better guide going just off the lands is a common start. Your first tests will establish your entry point for powder charge. Then, if you are in the mood, your next series will be for seating depth. I saw some earlier advice about doing very little load development in order to save bbl life (and hair, LOL). But I have only seen that approach work well with very standardized weapons. I am often in the position of not being able to copy a good starting point due to bbl lengths, profiles, reamers, etc., and that forced me to use DOE methods to prevent wasting bbl life. YMMV and good luck in any case. In for the range report! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Redding s type die advice
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