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Rifles, Reloading, Optics, Equipment
Reloading
Using chronograph data to determine the best load????
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<blockquote data-quote="Bart B" data-source="post: 92883" data-attributes="member: 5302"><p>30-06 Boy, you're right. Muzzle velocity spread will cause more vertical shot stringing if it's too much. All one has to do is look at down range drop tables for your bullet at different muzzle velocities to figure this out. Example, a .30-06 with 100 fps muzzle velocity spread will have vertical stringing at 100 yards of just under 2/10ths inch. At 1000 yards it'll be almost 40 inches.</p><p></p><p>Good long range shooters will notice this without a chronograph 'cause their shots won't hold elevation.</p><p></p><p>Then there's the issue that no two people will get the same muzzle velocity with the same rifle and ammo. There can be 80 to 100 fps difference caused by how they hold the rifle.</p></blockquote><p></p>
[QUOTE="Bart B, post: 92883, member: 5302"] 30-06 Boy, you're right. Muzzle velocity spread will cause more vertical shot stringing if it's too much. All one has to do is look at down range drop tables for your bullet at different muzzle velocities to figure this out. Example, a .30-06 with 100 fps muzzle velocity spread will have vertical stringing at 100 yards of just under 2/10ths inch. At 1000 yards it'll be almost 40 inches. Good long range shooters will notice this without a chronograph 'cause their shots won't hold elevation. Then there's the issue that no two people will get the same muzzle velocity with the same rifle and ammo. There can be 80 to 100 fps difference caused by how they hold the rifle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Using chronograph data to determine the best load????
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