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Rifles, Reloading, Optics, Equipment
Reloading
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<blockquote data-quote="Loner" data-source="post: 437184" data-attributes="member: 24560"><p>Your scope may be mounted a little canted, or you may be canting the rifle a little while</p><p>shooting, If you have parallax it will also cause you to be off. ( I think you mean you</p><p>have a parallax adjustment though ) That small of a velocity change won't affect the</p><p>bullet drop much at those ranges but if the load is right on the edge of changing the</p><p>barrel harmonics it could cause the spread. I have a 1/2 moa load for my 243 that is</p><p>very picky about the powder charge with 4064. I have to weigh every charge as exact</p><p>as my scale will hold. .2 Grains will open the group to over an inch either way. Not </p><p>a great load by most standards.</p></blockquote><p></p>
[QUOTE="Loner, post: 437184, member: 24560"] Your scope may be mounted a little canted, or you may be canting the rifle a little while shooting, If you have parallax it will also cause you to be off. ( I think you mean you have a parallax adjustment though ) That small of a velocity change won't affect the bullet drop much at those ranges but if the load is right on the edge of changing the barrel harmonics it could cause the spread. I have a 1/2 moa load for my 243 that is very picky about the powder charge with 4064. I have to weigh every charge as exact as my scale will hold. .2 Grains will open the group to over an inch either way. Not a great load by most standards. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
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