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Vihta - N550

Has anyone used the High Energy N550 Vihta in a standard 6BR ? With the 105 or 107 grain bullets and a CCI-450 mag. If so what were you results and loads. I did some testing with favorable results. My powder weight seems high according to the manual but have not resulted in a stiff bolt or blown primer. Interested in your data!
 
Hello there, I`ve been playing around with 150/140 and as of yet have not tried the 500 series powders. My rifle is a straight 6br with .134 freebore which is probably more f.b. than most.
I`ve been getting more powder in my cases than the manuals too. I`d rather not publish my fps as i have a shooting chrony and it`s very fussy on light and time of day and am not sure wich reading to trust but wth 107`s, 2860ish easy and the same goes for the jlk 105`s
email me at win762308@yhoo.com. would like to compare our results chris
 
Have shot VV550 in 22BRX,90 grain Bergers) and 6mmBRX,105 Bergers) still like Varget better.

Now in a 308 that is a different story. I am shooting 210 Bergers at 1000yds and 46 grains of VV550 is the real deal out of a 30-32 inch 1:10 barrel.

Rustystud
 
I just got out Cartridges of the World 10th Edition. They list vv 550 33.1grs with a sierra 107 and 33.6 with a berger 105. These are with moly bullets. Their source is quickload
 

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