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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
going from 600 to 800 yards
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<blockquote data-quote="Chawlston" data-source="post: 138498"><p>Hello,</p><p></p><p>I agree with GG again. What I do for my barrels that I load for is to find the max charge in the warm weather with the bullet touching the lands and then back off one grain. This is now my maximum charge period! Next, I start seating groups of bullets .010" deeper into the case and shoot them for accuracy and velocity deviation. Most of the time, I find the most accurate groups also have the least velocity deviation.</p><p></p><p>My above procedure works for me and I started using it becasue I have so many chamberings I load for and cannot invest time to test every bullet, powder and seating depth combination. Anyway, if you cannot find the node where accuracy and velocity deviations are satisfactory, it is time to change powders and do it all over again. With a little experience and some wisdom from people who use your caliber, you will find it much easier to get to the magic loading for your gun. Also, make sure you are using a mirage shade as this help prevent heat waves off the barrel from changing your sight picture. A venetian blind velcroed to the barrel is what works for me. Good luck.</p><p></p><p>James</p></blockquote><p></p>
[QUOTE="Chawlston, post: 138498"] Hello, I agree with GG again. What I do for my barrels that I load for is to find the max charge in the warm weather with the bullet touching the lands and then back off one grain. This is now my maximum charge period! Next, I start seating groups of bullets .010" deeper into the case and shoot them for accuracy and velocity deviation. Most of the time, I find the most accurate groups also have the least velocity deviation. My above procedure works for me and I started using it becasue I have so many chamberings I load for and cannot invest time to test every bullet, powder and seating depth combination. Anyway, if you cannot find the node where accuracy and velocity deviations are satisfactory, it is time to change powders and do it all over again. With a little experience and some wisdom from people who use your caliber, you will find it much easier to get to the magic loading for your gun. Also, make sure you are using a mirage shade as this help prevent heat waves off the barrel from changing your sight picture. A venetian blind velcroed to the barrel is what works for me. Good luck. James [/QUOTE]
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Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
going from 600 to 800 yards
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