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Rifles, Reloading, Optics, Equipment
Reloading
Calipers and Velocity Consistency
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<blockquote data-quote="Kmccord" data-source="post: 1316989" data-attributes="member: 99039"><p>I have a custom 28 Nosler as well with a 1:8 twist for the 195 Berger's, the extreme spread you see can be from a few things, it could be Primers or it could be powder charge off by a grain or two. I am not sure what you are using to measure powder, but I have both Electronic powder dispenser with electronic scales and I have a balance beam scale. I had found the electronic dispenser and scale would measure off a grain or two ever so often. I ended up double weighing the charge by electronic and balance beam, it did lower my ES some, but did not drop it down below 5fps. As for calipers, I have a Mitutoyo Absolute, they work good, but a lot of Calipers seem to change a little by the amount of pressure you apply. I have found it better for me to use the Hornady anvil with my OAL guage, it did seem to smooth out those slight changes you see between bullet to bullet. With the accuracy you are seeing at 200m it is very good, especially if this is your hunting rifle.</p></blockquote><p></p>
[QUOTE="Kmccord, post: 1316989, member: 99039"] I have a custom 28 Nosler as well with a 1:8 twist for the 195 Berger's, the extreme spread you see can be from a few things, it could be Primers or it could be powder charge off by a grain or two. I am not sure what you are using to measure powder, but I have both Electronic powder dispenser with electronic scales and I have a balance beam scale. I had found the electronic dispenser and scale would measure off a grain or two ever so often. I ended up double weighing the charge by electronic and balance beam, it did lower my ES some, but did not drop it down below 5fps. As for calipers, I have a Mitutoyo Absolute, they work good, but a lot of Calipers seem to change a little by the amount of pressure you apply. I have found it better for me to use the Hornady anvil with my OAL guage, it did seem to smooth out those slight changes you see between bullet to bullet. With the accuracy you are seeing at 200m it is very good, especially if this is your hunting rifle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Calipers and Velocity Consistency
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