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The Range
Ammo & Reloading
What did you do in the reloading room today?
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<blockquote data-quote="diggler1833" data-source="post: 4046713" data-attributes="member: 48072"><p>It is the 2nd thing I check, right after elevation.</p><p></p><p>I have found that as a general rule, the parallax tends to be closer to the correct indicator marks on the dial as scope prices increase...not always exact, but pretty close.</p><p></p><p>I think that I might have been the victim of running a smaller sample size. Sometimes we luck out and everything accidentally falls into place for one group. Literally .2gr above and below that load were ~.8 MOA...so I'm going to assume that is a fairly wide window of about a half grain where I can get repeatable sub-MOA performance out of a semi-auto. That brings my sample size to (4) 5-shot groups instead of one...with a "lucky" .5 MOA one in there. </p><p></p><p>I learned my lesson with single groups about 20 years ago when I shot a .289" three-shot group during load development for a .308. I got so excited like a little circus boy that I went home and loaded 100 of that recipe...only to discover that the load was a consistent ~ MOA shooter <img class="smilie smilie--emoji" loading="lazy" alt="😄" title="😄" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f604.png" />.</p></blockquote><p></p>
[QUOTE="diggler1833, post: 4046713, member: 48072"] It is the 2nd thing I check, right after elevation. I have found that as a general rule, the parallax tends to be closer to the correct indicator marks on the dial as scope prices increase...not always exact, but pretty close. I think that I might have been the victim of running a smaller sample size. Sometimes we luck out and everything accidentally falls into place for one group. Literally .2gr above and below that load were ~.8 MOA...so I'm going to assume that is a fairly wide window of about a half grain where I can get repeatable sub-MOA performance out of a semi-auto. That brings my sample size to (4) 5-shot groups instead of one...with a "lucky" .5 MOA one in there. I learned my lesson with single groups about 20 years ago when I shot a .289" three-shot group during load development for a .308. I got so excited like a little circus boy that I went home and loaded 100 of that recipe...only to discover that the load was a consistent ~ MOA shooter 😄. [/QUOTE]
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