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6.5 -284 Ballistics??

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Old 03-28-2013, 10:27 AM
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Join Date: Mar 2011
Location: Reno, Nevada
Posts: 917
Re: 6.5 -284 Ballistics??

140 at 3125 !!! Thats amazing ....................What bl length.

I had no idea that you can get that kind of performance out of the 6.5/284 with the 140
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Old 03-28-2013, 10:37 AM
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Join Date: Jan 2008
Location: Northeast
Posts: 2,284
Re: 6.5 -284 Ballistics??

I answer to a few of the questions. My Cooper 520 weighs 10.5 pounds fully loaded with bipod. The .78" fluted barrel is a great weight for my mix of hunting
It was a gift from my wife a few years ago from BOTW which was a nice surprise. Everything else I own has been put together by myself. It was supplied with loads that were built with JLK's at 2965FPS. First time at 500 yards it put 5 shots into 2" circle. I have since used my reloads using mostly 140 Bergers that perform as well, but I have shot about half a dozen deer and antelope between 500 and 1000 yards, and acoulple of coyotes out to just shy of 1100 yards. The jLK terminal performance on game appears identicle to the Bergers. The JLK's I have are 142" grains and have a BC of .640 compared to .612 with the Bergers. To use the same dope with the Bergers I set my computer velocity at 25FPS higher. I bought 200 of these from BOTW shortly after I got the rifle. I'm not sure they are a standard catalog item from JLK/Swampy. The rifle still shoots under 2" at 500 yards using either JLK's or Bergers. I have about 500 rounds down the tube. Art

"Let us speak courteously, deal fairly, and keep ourselves armed and ready"-T. Roosevelt
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Old 03-28-2013, 12:58 PM
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Join Date: Dec 2011
Location: Vandergrift PA
Posts: 1,198
Re: 6.5 -284 Ballistics??

Originally Posted by Greg Duerr View Post
140 at 3125 !!! Thats amazing ....................What bl length.

I had no idea that you can get that kind of performance out of the 6.5/284 with the 140
Got a 29" barrel. I wouldn't recomend this for most use, that load is for Deer in the 40 degree and colder days.
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