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Sighting in a rifle...Need help

Posted on 12/3/10 at 11:39 am
Posted by Richardheadtigah
GTOWN
Member since Sep 2008
381 posts
Posted on 12/3/10 at 11:39 am
I'm sighting in my 7mm Rem Mag today. I have a 4x16-42 Nikon Monarch with the BDC reticle. According to the website, I should be dead on at 200 yards to be able to use the BDC at 3-600 yards. My problem is where I'm shooting I can only shoot out to 100 yards.

How high should I be at 100 yds to be dead on at 200?
Also, if I shoot a deer at 50 yards, assuming I'm dead on at 200, how high will this be?

I'm shooting Federal 140 grain Nosler Partitions. thanks, R.Head
Posted by mylsuhat
Mandeville, LA
Member since Mar 2008
48945 posts
Posted on 12/3/10 at 11:43 am to
1"-1.5" high at 100


My 30-06 is 1.5" high at 100. We reload and shoot as flat as a .270 so that should be close to the same for you

Eta: there's no much difference between 50-200 for a 7mm
This post was edited on 12/3/10 at 11:44 am
Posted by Chad504boy
4 posts
Member since Feb 2005
166326 posts
Posted on 12/3/10 at 11:43 am to
quote:

Also, if I shoot a deer at 50 yards, assuming I'm dead on at 200, how high will this be?



Your 50 yard shot will be lower than your 200 yard shot.
Posted by halleburton
Member since Dec 2009
1519 posts
Posted on 12/3/10 at 11:44 am to
LINK

very bottom chart
Posted by CajunFootball
Jackson, Mississippi
Member since Oct 2010
19432 posts
Posted on 12/3/10 at 11:45 am to
As said 1" to 1.5" should do fine.
This post was edited on 12/3/10 at 11:46 am
Posted by Bama and Beer
Baldwin Co, AL
Member since Oct 2010
80922 posts
Posted on 12/3/10 at 11:47 am to
I always sight in at 200 yards and I shoot a .270, I've never really worried (or changed my shot location on a deer) about shooting a deer at 50 yrds or 100 yards. You should be fine with sighting it in at 100 yards for most normal plots; unless you launch some 300+ yarders.
Posted by mylsuhat
Mandeville, LA
Member since Mar 2008
48945 posts
Posted on 12/3/10 at 11:53 am to
If I shoot 300+ I put the horizontal cross hairs on his back and bull the trigger. If closer than I thought he drops like a rock. If 300 hits vitals
Posted by Bama and Beer
Baldwin Co, AL
Member since Oct 2010
80922 posts
Posted on 12/3/10 at 11:56 am to
300+ yards. Wish this was my deer
Posted by Richardheadtigah
GTOWN
Member since Sep 2008
381 posts
Posted on 12/3/10 at 12:04 pm to
quote:

very bottom chart


Awesome, that's what I was looking for. I looked on their website but couldn't find this. Thanks for all the replies.
Posted by hehatedrew
New Zealand
Member since Oct 2009
25504 posts
Posted on 12/3/10 at 12:34 pm to
Just look at the ballistics for your round. It will probably show it zeroed at 200 and show the adjustments at other yardages. I shoot a 139 grain hornady in my .280 and it is flat at 200, but about two inches high at 100, then at 300 it is getting close to almost 6 inches in drop. Like I said, just look up the ballistics or they are probably on your box of bullets...
Posted by tasseaux joeaux
swla
Member since Nov 2008
27 posts
Posted on 12/3/10 at 12:45 pm to
You may be dead on at 50 yds if you are 1" high at 100.
Posted by jack6294
Greater Baton Rouge Area
Member since Jan 2007
4033 posts
Posted on 12/3/10 at 12:50 pm to
you plan on elk hunting. why not just have a 100 yard Louisiana rifle and you long distance cannon for elk?
Posted by tigerdup07
Member since Dec 2007
21966 posts
Posted on 12/3/10 at 12:51 pm to
dead on at 30 and 1" high at 100.

Posted by hehatedrew
New Zealand
Member since Oct 2009
25504 posts
Posted on 12/3/10 at 12:56 pm to
Pick your spot well at 50 yards. You could lose the whole front end of the deer if you shoot it in the shoulder
Posted by MapGuy
I was born,I grew older,I'm here
Member since May 2010
37438 posts
Posted on 12/3/10 at 1:12 pm to
Winchester Ballistic Calculator

Click on the calculator at the bottom of the screen, enter your bullet, grain and sight in yards.. The calculator will do the rest.
Posted by Hermit Crab
Under the Sea
Member since Nov 2008
7168 posts
Posted on 12/3/10 at 1:21 pm to
quote:

I'm shooting Federal 140 grain Nosler Partitions. thanks, R.Head


find the ballistics chart for these and sight in accordingly
Posted by Hermit Crab
Under the Sea
Member since Nov 2008
7168 posts
Posted on 12/3/10 at 1:25 pm to
50 Y 100 Y 200 Y 300 Y 400 Y 500 Y
0.8 1.8 -8.0 -23.1 -46.6


can't get it to come out very well

LINK

look at the long range on
This post was edited on 12/3/10 at 1:26 pm
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