Benchrest Caliber Questions - Page 2


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Old 10-23-2010, 06:03 AM   #11
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When I built my first 6PPC (in 1979) the 6BR was still under developement. I got reamers for both BR cartridges (22 and 6mm) soon after and built a few for other shooters. I stuck with the 6PPC though. At the time, Remington BR brass was 308 brass with a small primer pocket and it took considerable effort to form it to 6BR. Lee Six's daughter, Cindy, sold formed brass and it was worth it to pay her rather than to do it yourself.
If Remington had produced 6 BR brass at that time, the PPC might not have been quite so dominant.
Presently, I shoot a 6BR at short range out of sheer obstinance. It is competitively accurate and, with the excellent Lapua brass available today, it is a viable round for short range use. I am usually the only one shooting a 6BR however and if pressed, I will always recommend a 6PPC. GD



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Old 11-24-2010, 03:36 AM   #12
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I havent alot of experience with the 30br at 300+ yds but im pretty sure it doesnt fall into the top pick category for 300+ yd accuracy nor does the 6br, 6ppc,22ppc etc. Sorry I cant give you a proper answer on what the best round is for 600yd competition is but the rounds you listed are not going to be one of them for sure. Maybe a 243 Win Improved? 250 Savage imp? Someone argue with me.......



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Old 11-24-2010, 05:08 AM   #13
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Actually, the 6BR is close to being the dominant choice from 300 meters out to 600. I shoot at a very competitive 300 - 500 meter F class match every year and it's usually dominated by 6 BR's. I have done well and even won with a 308 but it's a struggle to stay with the easy-to-shoot BR. GD

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Old 11-24-2010, 02:07 PM   #14
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the 6BR holds many records at 600 and 1000 yards. Have seen many tight groups at 600 from 6ppc. Using 62 to 68 grain bullets the accuracy is very good. Have seen two 17 Mach 2 rifles win group at a big 600 yard match.
The 6BR has proven you do not need a magnum case to shoot 1000 yards.

The key to this is your set up for the yardage you are shooting. Working the load for that yardage.

Best of luck.

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Old 11-25-2010, 04:30 PM   #15
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The 6br set the world record for 600 yards a while back shooting a sub 1" group. I have no idea whether this record still stands but it was only the second group under 1" ever shot. The first was in the same competition and was with 6.5-2.84. AFAIK the 6 calibers are all doing quite well with some a little better than others of course.

FWIW other calibers can be made to shoot very accurate at those distances. F class shooters use either .308 or .223 and they do quite well with both calibers out to 1000 yards and sometimes beyond. 1000 yard benchrest shooters are using 6 and 6.5 bullets and are shooting groups you can cover with the palm of your hand at 1000 yards. They are becoming the standard for that distance too especially for the weight limited rifles.


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