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Rifles, Reloading, Optics, Equipment
Reloading
Most brass too short. Trim them all?
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<blockquote data-quote="entoptics" data-source="post: 1390053" data-attributes="member: 104268"><p>Seems like I'm getting some mixed messages here...</p><p></p><p>Perhaps a clarifying question will help.</p><p></p><p>How much gain/loss in accuracy could be expected from 0.01 case OAL variance (2.615 to 2.605) vs 0.001 variation in freshly trimmed, but SHORT cases that are all the same at 2.605"?</p><p></p><p>I might have one more shooting day before I have to get to reloading, so I may be able to do a statistically dubious experiment by shooting a couple of small groups to test. The problem is finding 10 brass with a wide range of neck lengths, but no other variation (i.e. weight), and 10 brass with the same short neck length, but no other variation either. Not to mention, seeing a small precision variation with only a handful of rounds is probably not likely.</p><p></p><p>Lastly...Before the "hunting rifle accuracy" and "good enough" comes up, I understand that all this prep won't turn a 1.5 MOA gun into a 0.5 MOA gun.</p><p></p><p>That being said, I'm willing to do the work, and sort of enjoy it, so it's worth it to me for...</p><p></p><p>1) for peace of mind (best possible ammo = fewer variables). If I know my ammo is good, I can't make excuses for my trigger finger, optics, wind calls, etc.</p><p></p><p>2) If doing it right would shave 1/8th MOA, I'd consider it time well spent. I like to shoot small things far away. For perspective a 1.125 MOA rifle has a deer-vital sized group (9.0") at 765 yds. A 1 MOA rifle is grouping the same at 860 yds.</p></blockquote><p></p>
[QUOTE="entoptics, post: 1390053, member: 104268"] Seems like I'm getting some mixed messages here... Perhaps a clarifying question will help. How much gain/loss in accuracy could be expected from 0.01 case OAL variance (2.615 to 2.605) vs 0.001 variation in freshly trimmed, but SHORT cases that are all the same at 2.605"? I might have one more shooting day before I have to get to reloading, so I may be able to do a statistically dubious experiment by shooting a couple of small groups to test. The problem is finding 10 brass with a wide range of neck lengths, but no other variation (i.e. weight), and 10 brass with the same short neck length, but no other variation either. Not to mention, seeing a small precision variation with only a handful of rounds is probably not likely. Lastly...Before the "hunting rifle accuracy" and "good enough" comes up, I understand that all this prep won't turn a 1.5 MOA gun into a 0.5 MOA gun. That being said, I'm willing to do the work, and sort of enjoy it, so it's worth it to me for... 1) for peace of mind (best possible ammo = fewer variables). If I know my ammo is good, I can't make excuses for my trigger finger, optics, wind calls, etc. 2) If doing it right would shave 1/8th MOA, I'd consider it time well spent. I like to shoot small things far away. For perspective a 1.125 MOA rifle has a deer-vital sized group (9.0") at 765 yds. A 1 MOA rifle is grouping the same at 860 yds. [/QUOTE]
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Reloading
Most brass too short. Trim them all?
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