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300 Ultra "Coyote" load

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Unread 04-17-2003, 09:41 PM
Bronze Member
Join Date: Mar 2003
Location: Gainesville, FL
Posts: 38
Re: 300 Ultra "Coyote" load

How accurate are those 125 grain NP? You can go a little hotter with that load, the book lists a 125gr nosler with 100grains of H4831 listing 3800. Does the slower load work out a little better.
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Unread 04-17-2003, 10:51 PM
Junior Member
Join Date: Apr 2003
Location: Trinidad CO
Posts: 24
Re: 300 Ultra "Coyote" load

I cant explain this,but the 125nosler shoots as good as the 200 smk.I know,I found it out by luck.Doesnt make sense.This combo of 90gr of h-4831 headspaced to 4thou about 5thou off the lands has repeadedly produced 1/4in or just over it.Yes I can run it faster but it opens up somewhat.92.5gr was 3710 to 3722.I havent pressed any further.[no signs of pressure]This rifle isnt stock.Its a pps model remington which I rebarreled with a 26in shilen match barrel.I also neckturn all brass and size only half the neck with redding s-dies.I use a redding case comparator to check headspace and bullet seating depth.89.5gr of h-1000 with 200gr smk will do about the same.They run a little over 3000fps.The 175 berger with 7828 also does well at times but temperature seems to change things around.My load data is diffrent than yours,the max with 4831 says 95.5gr.Whats up with that?I shot a 5-shot group at the Whittington center at 1000 that measured 8.75,for me thats the best Ive ever shot.OK it was [no] wind I was using a 36 power Leupold.Honestly,I think the brasswork made the diffrence.Just FYI, I have had no luck with Retumbo in 180 to 200.And NO,I tried 125's with h-1000 and it was around 1-1/4 and less velocity.Heck of a muzzleflash though.Probally only burned 90% before bullet left.By the way,this is a great site.
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