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08-15-2007, 01:19 PM
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finished with mrx load development
I finally got to finish with my 140gr mrx load development with my 7mmstw.My best group was .490" with the worst group .950"(likely some operator error),with the average about .650".I chronographed three shots and the velocities were amazingly consistent at 3494fps,3492fps,3494fps at 20 feet from the muzzle at 15 degrees C.Now it's just a matter of loading some rounds up and doing a final sight in,as the point of impact is about 1-1/4" to the left of my 140gr ballistic tip load.Hopefully this fall,I will be able to report the mrx performance on game.
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08-15-2007, 02:08 PM
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Join Date: May 2007
Location: AB
Posts: 666
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kewl ,,sounds like a good load ,,,u mind sharin it . 
hope to connect this year with a .308,cal ,,180 grainer
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08-15-2007, 02:22 PM
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Join Date: May 2007
Posts: 1,187
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Sounds like a winner Stubblejumper. Did you make a full recovery from the eye surgery you had last year? If I remember correctly you were forced to miss out on a fair bit of last year's season.
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08-15-2007, 02:24 PM
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What length barrel are you shooting?
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08-15-2007, 04:02 PM
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Join Date: May 2007
Posts: 66
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what type of powder and charge are you using?
wthby
__________________
_______ Aim small, miss small One shot, one kill
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08-15-2007, 04:44 PM
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I am using 80gr of imr 7828,federal 215 primers,remington cases.The barrel is by schneider and is 26" long.As for the eye,I missed the entire season last year,but will be hunting again next month.My vision isn't perfect,and I will be relying more on my optics,but I am very much looking forward to being out in the field again.
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08-15-2007, 08:06 PM
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Join Date: May 2007
Location: AB
Posts: 666
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ty stubblejumper
i also am usin 7828 at the moment 
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08-15-2007, 09:25 PM
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Join Date: May 2007
Location: In a house
Posts: 7,770
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Did you do any long distance shooting and compare if it shot much flatter at the long ranges? It sounds like you have a great load there and can't wait till you knock a few critters down with it.
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08-15-2007, 09:55 PM
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I haven't tried the trajectory at longer distances yet,as I just finished finalizing the load today.Once I load up some more rounds,I will try them out to 500 yards.However talking with other people that use the mrx,they don't shoot as flat as the ballistic tip.The grooves apparently lower the BC.Supposedly they are comparable to the partition.I will know for sure when I test them for myself.
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08-16-2007, 07:22 AM
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Join Date: Jun 2007
Location: Ft. McMurray
Posts: 38,860
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Quote:
Originally Posted by stubblejumper
I am using 80gr of imr 7828,federal 215 primers,remington cases.The barrel is by schneider and is 26" long.As for the eye,I missed the entire season last year,but will be hunting again next month.My vision isn't perfect,and I will be relying more on my optics,but I am very much looking forward to being out in the field again.
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Glad to here you're back inth hunt, SJ!
Cat
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Anytime I figure I've got this long range thing figured out, I just strap into the sling and irons and remind myself that I don't! 
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