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#453323 - 10/17/07 11:31 AM ballistics help,, please?
population control
10 Point


Registered: 09/18/06
Posts: 4901
Loc: down in the bottoms of t- coun...

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iam shooting a 270 savage , with 130 grain barnes triple-shock bullet . my question is . at 50 yards what would you sight the gun in for . like an inch high or inch 1/2 or what ? my longest shot would be around 200 yards where i hunt. thanks in advance .
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#453329 - 10/17/07 11:38 AM Re: ballistics help,, please? [Re: population control]
big jim
4 Point


Registered: 11/08/05
Posts: 416
Loc: South of Norene, Wilson County

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Sight in 1" at 100yds and forget any holdover out to 300yds.
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#453338 - 10/17/07 11:45 AM Re: ballistics help,, please? [Re: population control]
Whelen Man
TnDeer Old Timer
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Registered: 03/12/99
Posts: 2327
Loc: Athens, TN, USA

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There's a lot of other variables but on average about a half inch high should put you dead on at 200 yds. and about an inch and a half high at 100. That should be in the neighborhood but shoot it after sighting to confirm. Scope height, barrel length and velocity, type of bullet, temperature, pressure, and many others affect the trajectory. That half inch high at 50 should be right on for minute of deer out to 200 though.
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#453545 - 10/17/07 01:15 PM Re: ballistics help,, please? [Re: Whelen Man]
population control
10 Point


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so if i was an half a inch high at 50 i should be dead on at 200 is that right?
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#453917 - 10/17/07 03:51 PM Re: ballistics help,, please? [Re: population control]
smstone22
16 Point


Registered: 01/11/04
Posts: 16859
Loc: Allardt, TN

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better just do some range time and see wat ya got.
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#454149 - 10/17/07 06:15 PM Re: ballistics help,, please? [Re: smstone22]
population control
10 Point


Registered: 09/18/06
Posts: 4901
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i plan on doing some range time , but just trying to get some good reference points . so all tips and points will help .
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#455530 - 10/18/07 10:54 AM Re: ballistics help,, please? [Re: population control]
Cull Buck Hunter
8 Point


Registered: 12/16/05
Posts: 1912
Loc: Cleveland,TN

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Good bullet choice. Try this software I have found it to be very accurate to 300yds.
http://www.ballistics-software.com/shoot.htm


Edited by Cull Buck Hunter (10/18/07 10:55 AM)
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#456669 - 10/18/07 08:54 PM Re: ballistics help,, please? [Re: ]
population control
10 Point


Registered: 09/18/06
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 Originally Posted By: DEER ASSASSIN
 Originally Posted By: population control
so if i was an half a inch high at 50 i should be dead on at 200 is that right?


i agree


a chrono and point blank software is what i use very accurate



so where would that put me at 100 yards?
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#457090 - 10/18/07 10:27 PM Re: ballistics help,, please? [Re: ]
Whelen Man
TnDeer Old Timer
8 Point


Registered: 03/12/99
Posts: 2327
Loc: Athens, TN, USA

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If the rifle shoots 1&1/2 inch groups at 100 you'll never need to know anything closer. If you're using it for deer hunting put a 3 inch circle at 200 yards and when you get it where you can hold them inside the circle consider yourself ready for a big buck. Everything else is speculation until you put it on paper. If it will consistantly do this over several trips to the range with no change then consider yourself the lucky owner of a good rifle. Then if one gets away you'll know it's your own fault. I admit it, my rifles shoot much better than I do under hunting situations.
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#457208 - 10/18/07 11:18 PM Re: ballistics help,, please? [Re: ]
population control
10 Point


Registered: 09/18/06
Posts: 4901
Loc: down in the bottoms of t- coun...

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 Originally Posted By: DEER ASSASSIN
1-1.5



that would be 1 to 1/12 high at a 100? or low?
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