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Rifles, Reloading, Optics, Equipment
Reloading
Few seating depth questions
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<blockquote data-quote="Alex Wheeler" data-source="post: 1368329" data-attributes="member: 101859"><p>I have never seen a .010" wide seating depth window in my life. I also have never had to go past .020" on the jump to find a node, usually its between touch and .010" off. If your not holding seating depths of loaded ammo to better than +/- .001" theres room to improve. A Wilson seater and good neck prep will do the trick, most seating irregularities come from variation in seating friction. Annealing can help as well as using a stiff nylon brush in the neck, like an iosso brush. The point of truly fine tuning a rifle to shoot its best IMO is to give you the most room for error. If we stop as soon as we hit 1/2 moa, what happens when temps change and the rifle goes out of tune? We may be back to 3/4 or 1 moa. If we are fine tuned we should be dead center of the node and have the most room for error. Part of the reason I dont like just bouncing around until we find a good load. If you make consistent changes while shooting groups you will see them shrink and open back up. You want to see that because it will help you pick the center of the node. Just my thinking on it.</p></blockquote><p></p>
[QUOTE="Alex Wheeler, post: 1368329, member: 101859"] I have never seen a .010" wide seating depth window in my life. I also have never had to go past .020" on the jump to find a node, usually its between touch and .010" off. If your not holding seating depths of loaded ammo to better than +/- .001" theres room to improve. A Wilson seater and good neck prep will do the trick, most seating irregularities come from variation in seating friction. Annealing can help as well as using a stiff nylon brush in the neck, like an iosso brush. The point of truly fine tuning a rifle to shoot its best IMO is to give you the most room for error. If we stop as soon as we hit 1/2 moa, what happens when temps change and the rifle goes out of tune? We may be back to 3/4 or 1 moa. If we are fine tuned we should be dead center of the node and have the most room for error. Part of the reason I dont like just bouncing around until we find a good load. If you make consistent changes while shooting groups you will see them shrink and open back up. You want to see that because it will help you pick the center of the node. Just my thinking on it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Few seating depth questions
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