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Barnes 171g. match burner for 7mm

 
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  #1  
Old 11-14-2013, 09:19 PM
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Barnes 171g. match burner for 7mm

I can't find any reloading info on the 171 grain .284 match burner bullet from Barnes. It's got a really impressive b.c. (.645), but it's not in the Barnes reloading manual. Anyone have any info on these? Thanks
Dan
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Old 12-23-2013, 04:59 PM
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Re: Barnes 171g. match burner for 7mm

I have been wondering the same thing. For 32$/box you get great BC and still light enough for non magnum cartridges. If I find any locally I will let you know how they perform in a 284 win.
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Old 12-23-2013, 05:55 PM
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Re: Barnes 171g. match burner for 7mm

check this page and use the 175 grn listings. Just use the same safty practices use sudjested start and work up slowly checking for preasure signs as you go

Cartridge Loads - Hodgdon Reloading Data Center - data.hodgdon.com

for a general rule of thumb if you cannot find a listing for your weight go to the next higher in bullet weight
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Old 12-23-2013, 06:22 PM
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Re: Barnes 171g. match burner for 7mm

Excellent bullet,
I have used them with great results out of my .284 win in F-Class competition.
Just use the same start data as for the 168gn Berger or 175gn Sierra SMK and work up.
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Old 12-23-2013, 09:04 PM
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Re: Barnes 171g. match burner for 7mm

Quote:
Originally Posted by Dan H View Post
I can't find any reloading info on the 171 grain .284 match burner bullet from Barnes. It's got a really impressive b.c. (.645), but it's not in the Barnes reloading manual. Anyone have any info on these? Thanks
Dan
Good pill, I bought 4 boxes of them when they first came out. I was tossing them with rl25 and rl50 in my stw but with its 10" twist they were .25 moa one day and they wouldn't quite stabilize the next day and grouped loosely.
I started using them in my 7rem and the 9" twist spun them just fine; 66 retumbo with a mag cap was getting them to 1/2 moa without trying at all. The comment on using 168 and 175 data is correct. I did put one through a coyote at 300 yards last year; they look as though they will be a good light game bullet. I've got some loaded for my 7rum at present but haven't sent any down range yet.
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Old 02-17-2014, 02:32 AM
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Re: Barnes 171g. match burner for 7mm

Quote:
Originally Posted by Topshot View Post
Excellent bullet,
I have used them with great results out of my .284 win in F-Class competition.
Just use the same start data as for the 168gn Berger or 175gn Sierra SMK and work up.
Sorry to bring up an old thread, but Topshot, can you share your load data? I am planning on trying them in my 284 win this summer, and am particularly interested as too what distance off/into the lands you found they shot the best. Thanks.

Riley
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Old 02-17-2014, 05:15 AM
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Re: Barnes 171g. match burner for 7mm

Quote:
Originally Posted by barnesuser28 View Post
Sorry to bring up an old thread, but Topshot, can you share your load data? I am planning on trying them in my 284 win this summer, and am particularly interested as too what distance off/into the lands you found they shot the best. Thanks.

Riley
I run a .312" neck. Cases are turned to a loaded diameter of .309"
Throat is very long with the bullets just seated into the neck above the donut.
The 171 Barnes is loaded to a COAL of 3.156" 0.010" into the lands. I use a CCI LR 200 primer.
Load is 56.5gn of AR2213SC (H4831sc) with a velocity of over 3000fps.
I get excellent benchrest level accuracy with this load.

This is a special load for a custom cut chamber, do not use it for standard factory cut chambers. Work up your load.
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