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Rifles, Reloading, Optics, Equipment
Reloading
Establishing Bullet Seating Depth
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<blockquote data-quote="dok7mm" data-source="post: 1400155" data-attributes="member: 90080"><p>To find the correct, or most accurate, seating depth, you'll need to test at different lengths for your rifle/bullet combo. I would suggest you start at your magazine length with a starting load, if you have sufficient bullet in the neck (at least .264").</p><p></p><p>Shoot a 3 shot group, seat deeper by .005" or .010", shoot another group and so on until you find a tight group. You can tweak it, either up or down, with your final load. A BT bullet should show accurate seating depth between .010" jump and . 030" jump and be easier to find than a secant ogive, like a vld.</p><p></p><p>Alex Wheeler posted a very good video here, on how to find your true base to ogive length. You pulled the FP, but did not mention pulling the ejector.</p></blockquote><p></p>
[QUOTE="dok7mm, post: 1400155, member: 90080"] To find the correct, or most accurate, seating depth, you'll need to test at different lengths for your rifle/bullet combo. I would suggest you start at your magazine length with a starting load, if you have sufficient bullet in the neck (at least .264"). Shoot a 3 shot group, seat deeper by .005" or .010", shoot another group and so on until you find a tight group. You can tweak it, either up or down, with your final load. A BT bullet should show accurate seating depth between .010" jump and . 030" jump and be easier to find than a secant ogive, like a vld. Alex Wheeler posted a very good video here, on how to find your true base to ogive length. You pulled the FP, but did not mention pulling the ejector. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Establishing Bullet Seating Depth
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