Long Range Hunting Online Magazine


Go Back   Long Range Hunting Online Magazine > Rifles, Reloading, Optics, Equipment > Long Range Scopes and Other Optics

Long Range Scopes and Other Optics Nightforce Optics


Reply

Drop data adjustments?

 
LinkBack Thread Tools Display Modes
  #1  
Old 11-29-2012, 10:44 AM
Silver Member
 
Join Date: Nov 2007
Location: Texas
Posts: 275
Drop data adjustments?

With a perfect 200 yard zero, the ballistic calculator data I got was dead on at 425 yards, but 6.2" high at 800 yards. Should I check to find out if the scope clicks are accurate, or just adjust the BC and/or velocity to make the drop data fit?
I've tried adjusting the velocity in the program, and then tried adjusting the BC to make the 800 yard data correct, but with either of those, the 425 yards data changes, when its already correct.
Reply With Quote
  #2  
Old 11-29-2012, 10:49 AM
Platinum Member
 
Join Date: Feb 2007
Location: Townsend, Montana.
Posts: 7,734
Re: Drop data adjustments?

How many shots fired at each distance?

It is always better to get the farthest distances adjusted to as close as you can get. The 3/4 moa you were high at 800 would only be 3" at 400.

Jeff
__________________
Reply With Quote
  #3  
Old 11-29-2012, 11:07 AM
Silver Member
 
Join Date: Nov 2007
Location: Texas
Posts: 275
Re: Drop data adjustments?

4 shots at each distance. There was less than 1" vertical between highest and lowest at 425, and 2" between highest and lowest at 800, and I took the average of all 4 at each distance.
Reply With Quote
  #4  
Old 11-29-2012, 11:22 AM
Platinum Member
 
Join Date: Jan 2008
Location: West Central Idaho
Posts: 1,074
Re: Drop data adjustments?

Quote:
Originally Posted by txsendero View Post
With a perfect 200 yard zero, the ballistic calculator data I got was dead on at 425 yards, but 6.2" high at 800 yards. Should I check to find out if the scope clicks are accurate, or just adjust the BC and/or velocity to make the drop data fit?
I've tried adjusting the velocity in the program, and then tried adjusting the BC to make the 800 yard data correct, but with either of those, the 425 yards data changes, when its already correct.

Yeah you should have all the mechanical stuff right with the rifle and the scope first then fool with the BC/Velocity.
__________________
Jim



There is something about the outside of a horse that is good for the inside of a man. Sir Winston Churchill.

Everything that is really great and inspiring is created by the individual who can labor in freedom. Einstein
Reply With Quote
  #5  
Old 11-29-2012, 11:25 AM
Platinum Member
 
Join Date: Feb 2007
Location: Townsend, Montana.
Posts: 7,734
Re: Drop data adjustments?

Quote:
Originally Posted by txsendero View Post
4 shots at each distance. There was less than 1" vertical between highest and lowest at 425, and 2" between highest and lowest at 800, and I took the average of all 4 at each distance.
Good! What scope? and what program you using?

I agree with kcebcj, need to check the scope out next. Shooter and AB will allow you to tune the scope travel too.

Jeff
__________________
Reply With Quote
  #6  
Old 11-29-2012, 11:54 AM
Silver Member
 
Join Date: Nov 2007
Location: Texas
Posts: 275
Re: Drop data adjustments?

Quote:
Originally Posted by Broz View Post
Good! What scope? and what program you using?

I agree with kcebcj, need to check the scope out next. Shooter and AB will allow you to tune the scope travel too.

Jeff
Scope is the Huskemaw 5-20 x 50, and since their ballistic calculator is not working, I plugged in the info into the Gseven website calculator. I guess my next step is to set up a yard stick at 100 yds and figure out a way to hold the gun solid while cranking in 60 clicks to find out what the actual travel per click is.
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes


Similar Threads for: Drop data adjustments?
Thread Thread Starter Forum Replies Last Post
1/8 moa adjustments timl Long Range Scopes and Other Optics 13 04-21-2013 07:48 PM
Air Density Adjustments For Ballistic Drop Reticles Or Turrets Len Backus Long Range Pursuit TV, Gunwerks, GSeven 0 03-27-2012 01:13 AM
.300 Win Mag adjustments rad30277 Equipment Discussions 0 11-29-2011 12:49 PM
Need some help extrapolating my drop data. Oliveralan Rifles, Bullets, Barrels and Ballistics 15 03-18-2010 11:19 AM
M3 adjustments? Guy M Long Range Scopes and Other Optics 5 12-25-2007 12:44 AM

Current Poll
How Many Different Cartridges Do You Reload For?
ZERO, all factory ammo - 7.97%
346 Votes
1 - 2.79%
121 Votes
2 or 3 - 14.53%
631 Votes
4 or 5 - 20.35%
884 Votes
6 or 7 - 14.83%
644 Votes
8 or 9 - 8.70%
378 Votes
10 or more - 30.85%
1,340 Vote
Total Votes: 4,344
You may not vote on this poll.

All times are GMT -5. The time now is 09:06 AM.


Powered by vBulletin ©2000 - 2014, Jelsoft Enterprises Ltd.
Content Management Powered by vBadvanced CMPS
All content ©2010-2014 Long Range Hunting, LLC