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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/30/2008 at 20:42
bigpapa4045 View Drop Down
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hey there guys i was wondering if anyone knows much heavy barreled .243.
 
im looking for a bench rifle for out to 1000 yards! i was wondering if anyone shoots a .243 that far! if so how does it shoot?
 
any info on long range shooting would be great!
 
i already have a .308 remington police that does it just fione but im looking for a new project!
 
thanks guys
 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/30/2008 at 21:06
Mike McDonald View Drop Down
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243 1:8 twist and 107 Sierras will amaze you at 1000 yards.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/02/2008 at 03:09
8shots View Drop Down
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Originally posted by Mike McDonald Mike McDonald wrote:

243 1:8 twist and 107 Sierras will amaze you at 1000 yards.
 
And so will wind drift on a 107 gr bullet!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/02/2008 at 12:51
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A .243 with any bullet, chambered in any bench rifle,,,, IS NOT,,,,,what I consider to be a 1000 yard target round!.......Bullets are too light for bucking wind as there will be a good deal of wind drift out to 500-800 yards, let alone out to 1000 yards!
 
Much has been said about the 6.5`s for 1000 yard shooting and for that purpose, I wouldn`t consider anything less in caliber.
 
You can also go to the "Hornady" web site and play with the "external ballistics" calculator and type in all the info, MV`s, BC`s, temps, wind, etc. and compare each bullet`s downrange performance!!
 
There is absolutely no way, that any .243 with any bullet, chambered in any bench rifle, will out perform a bench rifle chambered in a fast 6.5mm, 6.8mm a fast 7mm, or even a fast .30 @ 1000 yards.
 
A .243 from a hunting rifle, is a good deer round out to 300 yards, which is its best attribute. It is not a 1000 yard bench/target round.
 
If your looking for a bench rifle for 1000 yards, how about a fast 7mm or a faster .300?    
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/02/2008 at 22:05
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 Check out 6mmbr.com for lots of .243 information
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/03/2008 at 06:34
tahqua View Drop Down
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The 107 gr SMK has high ballistic coefficients at .243 velocities. It equals the best in .308 and surpasses the 168 gr SMK.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/03/2008 at 11:02
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Remember though! Regardless of BC, the lighter bullets in flight, are more prone to drift under cross-wind conditions............I`ll still take the fast 6.5, 7mm and/or a faster 300 mag. over a 243 or a .308 for 1000 yard work.  
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/03/2008 at 18:34
Dale Clifford View Drop Down
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a rifle set up in 6mm will compete with any caliber, since one can change the twist to something like 1x10 or 1x8 to shoot the 115 bergers or tubbs bullets both which have bc of around .600.

only two things matter, but you can only pick one, bc, or lack of time of flight, a cubic bullet is shoot fast enough, has less time for outside forces to act on it and will shoot any range -- but you would need around 10000 fps. so bc is the only other thing variable, wind drift effects bullets by bc same as it effects time of flight. a larger bullet is effected more by spin drift at those ranges but not talking about that here -- at least yet.
all bullets having the same bc and shot at the same velocity will have the same ballistic curve and the wt. of the bullet has no effect on the bullet.  indeed given the fact that a lighter bullet can be pushed to a higher velocity with the same powder charge, it will have less drift than a heavier bullet with the same charge in a larger caliber
a 243 AI or 6x47 will shoot with any of the big dogs. below is a .308  175 gr, pushed to 3000 fps necessary to keep up with a 6mm 115, at 3000 fps, both have the same wind drift, now if we could just get a 175 with a bc of .600
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/03/2008 at 19:50
Mike McDonald View Drop Down
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side by side multi thousand round evaluation over a period of 8 years, 243 and 107 SMK vs 308 and 175 smk driven by two very good distance shooters.  Think pallets of powder and many barrels replaced.
 
Cliff Notes version;
The 308 driver better be damned good to keep up with the fact that the 243 will use about 21% less elevation and just over 60%  of the actual windage of the 308.
 
My 30 inch barreled 260 remington with 140, 142 and RUAG 144 bullets could keep up with the 243 and stomp the living sh*t outta the 308.  The 260 advantage comes in the X 1.5x barrel life over the 243.  I shot the same 260 against the 2005 F class national champion at 800, 900 and 100 yards, 20 rounds each distance.  Neither of us had an advantage and I got 1 more X count.  His rifle is a 6.5-284.
 
If given the choice between the 2 calibers and the requirement to deliver 1st round hits at point of aim, I'd take the 243 no questions asked.
If I had to kill it I'd take the 308.  If I had to kill it badly I'd put 190's in the 308.
 
Edited to add;
If the sole criteria is 1000 yard bench rest competition shooting, then the discussion turns to the 30 cal ultra velocity wildcats with heavy bullets.
 
If it is  just talking about hitting something repeatedly and accurately at 1000 yards, 408 CheyTac with 400 grain bullets at 3000 fps.  About 1 second time of flight and 18 moa elevation. Yippee


Edited by Mike McDonald - October/03/2008 at 20:51
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/04/2008 at 11:20
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Originally posted by 8shots 8shots wrote:

Originally posted by Mike McDonald Mike McDonald wrote:

243 1:8 twist and 107 Sierras will amaze you at 1000 yards.
 
And so will wind drift on a 107 gr bullet!
 
 
Roll%20on%20Floor%20LaughingExcellent   That was good!!    
 
 
Mike it may be that the goal he's after is to take the .243 to the next level. I suspect that if he was interested in compitition he'd be askin about something in the 6mm family.
 
Shaine if your interest is in building a .243 for 1K then I'd suggest asking some folks who have done the same, Were they happy with the result? and Did they wish they'd build something else? If so what?
I can relate, If sticking with the .243 is your goal cause I am doing something similar. But if your goal is a solid 1K rifle then I'm confident that you've been givin top notch advice concerning caliber options. It appears that Mike has been where you are lookin so if your set on a .243 I expect he can save you some research.


Edited by Sgt. D - October/04/2008 at 11:23
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/05/2008 at 09:35
Dale Clifford View Drop Down
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Shaine if your interest is in building a .243 for 1K then I'd suggest asking some folks who have done the same,
good point-- ask David Tubb --- think hes got a web site.

Edited by Dale Clifford - October/05/2008 at 09:35
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/05/2008 at 11:00
tahqua View Drop Down
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David Tubb is an excellent shooter. He has some good articles here http://www.davidtubb.com/articles.html including 6mm/.243.
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