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Rifles, Reloading, Optics, Equipment
Reloading
Neck Tension
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<blockquote data-quote="woods" data-source="post: 421541" data-attributes="member: 6042"><p>I agree that you reach maximum usable bullet grip at a certain point. In my tests like boomtube described above the neck ID returned to .002" less than caliber. These were measurements taken on the ID with pin gauges.</p><p></p><p>Personally I size the neck to .003" less than caliber and when looking for increased runout I haven't encountered any. I also use mica or Imperial dry neck lube and throughly prep the inside of the necks to ease seating. Since IMO .002" is the number where additional stretching is useless, I prefer to start at .003" in order to try for consistant stretching.</p><p></p><p>YMMV</p></blockquote><p></p>
[QUOTE="woods, post: 421541, member: 6042"] I agree that you reach maximum usable bullet grip at a certain point. In my tests like boomtube described above the neck ID returned to .002" less than caliber. These were measurements taken on the ID with pin gauges. Personally I size the neck to .003" less than caliber and when looking for increased runout I haven't encountered any. I also use mica or Imperial dry neck lube and throughly prep the inside of the necks to ease seating. Since IMO .002" is the number where additional stretching is useless, I prefer to start at .003" in order to try for consistant stretching. YMMV [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Neck Tension
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