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Jerry Teo's One Mile .223 Shooting Video

 
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  #8  
Old 10-06-2008, 12:01 PM
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Re: Jerry Teo's One Mile .223 Shooting Video

How much spin drift were you getting at that distance with the 80 gr vmax? Was it more than 3MOA? I just got back from Alaska and shot my 257 Wby out to 2300 yards in dead calm conditions and still had about 3.75 MOA of right spin drift.

Chase
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  #9  
Old 10-07-2008, 10:32 AM
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Re: Jerry Teo's One Mile .223 Shooting Video

Where I shoot, the conditions are rarely ever calm. I do not adjust for spin drift per se.

Remember that over vast terrain, wind conditions can vary an enormous amount especially if shooting over hills/mountains.

I have had to dial in 'opposite' wind compared to my nearby conditions because the winds further out (going the other way) had a stronger effect on my bullet impacts.

Also, at that range, your bullets are definitely going subsonic. ANY drift will be magnified requiring you to make large adjustments relative to closer in.

3mins of adj at that range is not alot. If you look at a ballistics chart, I bet 2mph will drift you more then that.

Jerry

Last edited by Mysticplayer; 10-07-2008 at 10:37 AM.
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  #10  
Old 10-30-2008, 10:50 PM
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Re: Jerry Teo's One Mile .223 Shooting Video

Quote:
Originally Posted by 115vld View Post
How much spin drift were you getting at that distance with the 80 gr vmax? Was it more than 3MOA? I just got back from Alaska and shot my 257 Wby out to 2300 yards in dead calm conditions and still had about 3.75 MOA of right spin drift.

Chase
never heard a person shoot 2300 yards w/ a 257 wby. only a handful of cals I know will do that accurately 416 barrett, 408 chey, 50 bmg, 375 snip-tac, and 20mm vulcan.
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  #11  
Old 10-31-2008, 10:29 AM
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Re: Jerry Teo's One Mile .223 Shooting Video

Quote:
Originally Posted by diderr View Post
never heard a person shoot 2300 yards w/ a 257 wby. only a handful of cals I know will do that accurately 416 barrett, 408 chey, 50 bmg, 375 snip-tac, and 20mm vulcan.

Say what you want. I did it and had 2 other witnesses. I have some pics I will put up soon. I had my Nightforce scope maxed and was holding over still. Bullet flight time was 4.3 seconds roughly. I was running the 115 Berger VLD @3455 fps. We were at about 12000 ft elevation where I took the shots.
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  #12  
Old 10-31-2008, 10:52 AM
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Re: Jerry Teo's One Mile .223 Shooting Video

Quote:
Originally Posted by diderr View Post
never heard a person shoot 2300 yards w/ a 257 wby. only a handful of cals I know will do that accurately 416 barrett, 408 chey, 50 bmg, 375 snip-tac, and 20mm vulcan.
The need for a big boomer to shoot LR is a misconception I wanted to debunk with this project.

As I mentioned in my full post, the key is will the bullet stay stable when it goes subsonic? If it does, you can use that bullet as far as you have elevation.

The 80gr Amax could also make the trip but the elevation required would make it mechanically silly.

I have shot my 6.5 mystic (260AI variant) to 2300yds with a 139gr Scenar. No issues with accuracy at all. I am waiting for some calm air to work my way out to 2600yds. Huge amount of elevation adjustment for every 100yds.

I know of shooters who have taken 6BR's to 1 mile so they can go much further. 105gr Bergers.

The accuracy at extreme range is greatly limited to the bullet and how well you dope the conditions.

Cannons are certainly not necessary.

Jerry
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  #13  
Old 10-31-2008, 12:52 PM
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Re: Jerry Teo's One Mile .223 Shooting Video

Thank you for clearing that up Jerry.

Chase
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  #14  
Old 12-31-2008, 10:34 AM
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Re: Jerry Teo's One Mile .223 Shooting Video

Just goes to show you if you keep shooting long enough,eventually you'll hit something.
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