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Do loads ever group relatively better at further distances?
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Picture of youngoutdoors
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COOL! Thanks for the input! What bullet are you shooting?

God Bless, Louis
 
Posts: 1242 | Location: Mountains of North Carolina | Registered: 14 January 2008Reply With QuoteReport This Post
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This is with the 140-grain Nosler Balistic Tip. I posted a topic about how I was dissatisfied with the expansion characteristics of that bullet at long range and was trying other bullets. However, the 162-grain Harnaday VLD-X bullet is not stabilized with thw 1-in-11 twist in my rifle at cold temperatures and the fragile 140-grain Berger VLD's are not accurate in my rifle. So, I just went back to my old load and figured it was good enough. But now I have a 3-15X Leupold scope on it which seems a big improvement compared to the old 3.5-10X which was on it in the past. Again, I was really surprised at the good groops at the longer ranges. Then again, I put the old scope with a leupold Custom Dial Reticle on my TCR-87 with a fast twist 6MM-06 barrel and 105-grain Berger VLD's and got a very good group (just over 1/2 MOA at 600 yards) at least as good as it does at shorter ranges. And I just got my .338-.378 Weatherby fitted with a surpressor and again it gave a better 600-yard group (just over 1/2 MOA) than it gave at the shorter ranges. It doesn't seem to make sense given that just a little wind at long range can screw up group size a lot and I was not holding for wind based on immediate input from wind flags. Anyway, I was happy with results but I am not going to burn up barrels on hunting guns to invetigate the relatively better long range groups issue.
 
Posts: 254 | Registered: 25 November 2005Reply With QuoteReport This Post
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Picture of Wstrnhuntr
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Grouping better at further distance is completely illogical. (see; bsflag)

If "X" amount of damage is getting done to the flight path @ 100 yds, no additional amount of distance is going to "repair" said discrepancy. Unless you are perhaps using wire guided projectiles, any such coincidence would clearly have to be a fluke. Even if it took a bullet 200 yds to stabilize (which it doesn't), the damage to accuracy has already been done.

Aim small miss small. It's a people thing.
 
Posts: 9610 | Location: Tooele, Ut | Registered: 27 September 2001Reply With QuoteReport This Post
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Picture of Fury01
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Sometimes "Shooters" group better at longer ranges but loads normally do not for all the Logical reasons.
I personally have shot better MOA groups at 200 than I do at 100 on the average. I have always chalked it up to focus. Don't know of course but it comforts me to think I do a better job of shooting as the need to do so rises. Could be just random chance as well.
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"The liberty enjoyed by the people of these states of worshiping Almighty God agreeably to their conscience, is not only among the choicest of their blessings, but also of their rights."
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Posts: 1831 | Location: Where God breathes life into the Amber Waves of Grain and owns the cattle on a thousand hills. | Registered: 20 August 2002Reply With QuoteReport This Post
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I've had several excellent groups at 200yds, but they didn't start larger at 100 and then converged.
 
Posts: 8692 | Location: Poetry, Texas | Registered: 28 November 2004Reply With QuoteReport This Post
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Wow! Now I see how it works!

https://www.youtube.com/watch?v=D7c57fco6Ms
 
Posts: 9610 | Location: Tooele, Ut | Registered: 27 September 2001Reply With QuoteReport This Post
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They are not talking about the group size getting smaller but the MOA getting smaller.

Let's assume a rifle shoots 1.5" at 100 yards. Let's also assume their a two components to that 1.5" group. One component being the different angle of each shot and we say that is 1" or 1 MOA. Leaving aside wing or any problems with manufacture of the bullets then that 1 MOA giving a 1" group at 100 yards, will be 2" at 200 yards and so on.

However, the 1.5" group we got 100 yards was made of two components, one being the various angle of departure of each show, which was 1 MOA spread and being the angles of departure we get 2" groups at 200 yards and so on. However, that extra .5" at 100 yards over the 1 MOA could be caused by a lateral shift in the bullets which is a "once only" and so does not increase with distance.

So out rifle shot 1.5" made of a 1 MOA and .5" lateral shift. At 200 yards we get a 2" group caused by the different angles of departure plus the .5" from the later shift, which has not increased. So we get a 2.5" at 200 yards and thus we call it 1.25 MOA, so it did better than expected.

If we extended things to a 1000 yards then we get a 10" group cause by the different angles of departure plus the .5" in lateral shift and so get a 10.5" group which we say is 1.05 MOA as opposed to the 1.5 MOA we say we got at 100 yards.
 
Posts: 5888 | Location: Sydney Australia | Registered: 14 September 2015Reply With QuoteReport This Post
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