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help with a ballistic program please
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one of us
posted
i just got done working a load for my 300 win mag. it seems to like 81 grns of RL 25 the best with a 180 gr trophy bonded bear claw at 3160fps. i dont have access to a ballistic program right now. could someone please help me out and run a trajectory if sighted in 2 inches high at 100 yds? it has a bc of .357. thanks jeff
 
Posts: 111 | Location: eagle river ak | Registered: 01 December 2002Reply With Quote
<rg1>
posted
Here is basic data from JBM ballistics:
Assuming a 1.5" sight height and zeroed at 200yds:
50yards +.4
100 +1.3
150 +1.2
200--zero
250 -2.5
300 -6.4
350 -11.8
400 -18.8
450 -27.8
500 -38.8
This doesn't take into account humidity, altitude, and temperature etc.
 
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<rg1>
posted
This is using JBM Ballistics and showing basic data for being 2" high at 100 yards:
50 yards +.7
100 + 2.0
150 + 2.3
200 + 1.4
250 - .8
300 -4.4
350 -9.5
400 -16.3
450 -25.1
500 -35.9
This shows that you would be actually zeroed at about 235 yards.
 
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rg1

thanks for the help a appreciate it a ton. jeff
 
Posts: 111 | Location: eagle river ak | Registered: 01 December 2002Reply With Quote
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Jeff,

You can download a ballistics called "Point Blank" for free. I seems to work well and is fun to play "what if" with....

http://www.huntingnut.com/pointblank.html

Regards, Bill
 
Posts: 1169 | Location: USA | Registered: 23 January 2002Reply With Quote
one of us
Picture of ricciardelli
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All kinds of free ballistic programs available at:

http://stevespages.com/page8b.htm
 
Posts: 3282 | Location: Saint Marie, Montana | Registered: 22 May 2002Reply With Quote
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