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230 gr Berger OTM Transonic

 
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  #36  
Old 11-03-2012, 06:00 PM
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Re: 230 gr Berger OTM Transonic

My oal gauge puts me at 2.824 to touch the lans. Altitude is 4678, just shot 610one yards today program called for 9.3 MOA using 2860 for velocity. Cold bore shot hit dead center of two MOA size rock. Put the wife shoot she hit 3/4 min. Low. Told her to send another one and wamm! Same spot. So I came up three clicks and put my wife on the spotter and sent the shot and split the rock in half center punch. So too your estimate of 100the fps to fast and put it in the program and it came up with 10.1 MOA. I would have sent it out further but the topo Would not allow.
The chrono im using is called "pro chrono" beta master.
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  #37  
Old 11-03-2012, 08:08 PM
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Location: Townsend, Montana.
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Re: 230 gr Berger OTM Transonic

Sounds like you are dialing it in. At this point it becomes very important to have very accurate distances as we go out farther. Also it would be great if you could get a 3 shot group on paper or steel at 700 to 1000. Then you can actually go measure the center group with a tape and compare it to the point of aim. That will tell you exactly how low or high you are in MOA.

I have owned many chronographs. Many of them lied. Actual field drop tell the truth and verifies if the chrono is honest.

Jeff
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  #38  
Old 11-06-2012, 02:06 PM
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Re: 230 gr Berger OTM Transonic

BROZ

Just got done shooting two five shot groups at 804 yards
Conditions were altitude : 4764, temp: 51, BARO :25.62 wind was .25 value from right to left at 2-5 mph.
the two groups were 4.19 and 4.11 horizontal and 3.87 and 3.42 vertical! First group dialed in 17.25MOA and was about .8 MOA above center mass. Dropped it down .75MOA to16.5 and shot 2.55 inches below center mass. I believe that 16.75 MOA at 804 yards is the ticket. I had to drop my fps down to 2710 to get 16.75MOA at 805 yards. Wish I could have taken it out to 1k but range would not permit. Anybody wanting accuracy verification of cbi barrels here you go. I have over 350 rounds down the tube and this thing is shooting better then .5 MOA at 804 yards. I can't say enough about these bullets, way funner then shooting my EDGE... maybe not. Sorry for intruding on this thread. I haven't even taken her out to extreme long range, oops. Love the thread though I will post again when I get her past 1k. Thanks a bunch broz any other advice you can provide would be great
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  #39  
Old 12-26-2012, 04:33 PM
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Re: 230 gr Berger OTM Transonic

Has anyone worked up a load for the 300 RUM using the Berger 230 hybrid and Ramshot Magnum or Retumbo powders?
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  #40  
Old 12-26-2012, 08:23 PM
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Location: Gilbert, Az
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Re: 230 gr Berger OTM Transonic

Quote:
Originally Posted by BCMAG2 View Post
Has anyone worked up a load for the 300 RUM using the Berger 230 hybrid and Ramshot Magnum or Retumbo powders?
I would also be interested in any load data with the 215s/230s and a 300RUM! Thanks in advance
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  #41  
Old 12-28-2012, 05:22 PM
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Re: 230 gr Berger OTM Transonic

I am shooting the 215's out of a 300 RUM.
91 gr H-1000
Rem Brass
Fed 215 Match primer
COAL 3.843"
2985 fps
26" barrel
This load is really accurate in my gun and my drops out to 700 yds seem bang on. I thought they would be faster but I guess not. Plan on ordering another barrel that will finish at 29-30" plus brake. This load shows no pressure in my gun and I could maybe push it harder, but it shoots so good I stopped there. I am at 1300 ft elevation.
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  #42  
Old 12-28-2012, 07:12 PM
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Location: Townsend, Montana.
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Re: 230 gr Berger OTM Transonic

Quote:
Originally Posted by BEEMAN View Post
I am shooting the 215's out of a 300 RUM.
91 gr H-1000
Rem Brass
Fed 215 Match primer
COAL 3.843"
2985 fps
26" barrel
This load is really accurate in my gun and my drops out to 700 yds seem bang on. I thought they would be faster but I guess not. Plan on ordering another barrel that will finish at 29-30" plus brake. This load shows no pressure in my gun and I could maybe push it harder, but it shoots so good I stopped there. I am at 1300 ft elevation.
I wouldn't worry about it. You are right at 3000fps and that will take game as far as you would shoot them with a 300 even if it was a little faster.

Jeff
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