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

Interesting reticle ranging tests

 
LinkBack Thread Tools Display Modes
  #1  
Old 05-08-2006, 10:25 PM
Platinum Member
 
Join Date: Feb 2003
Location: Pueblo, CO
Posts: 1,165
Interesting reticle ranging tests

Just got back from the Bower Long-Range Handgun Shoot Marc Sheehan, Ernie Bishop, and I put on in Springview NE. last week. Got my 8.5-25X Leup. Mk 4 with TMR reticle, and mounted it on a 6.5 WSM XP-100. We had a shooting lane set up with tgts. out to 1000 yds. We used 15, 24, and 36" discs at various 50 yd. intervals, so i set up off the bench to check the system. As far as i can see the reticle can be interpolated to an accuracy of about .01 mil (twentieth of each .2 mil line stadia) maybe with some practice, which should be pretty accurate. OK, here's some of the calcs.

lasered range/tgt. size/subtension occupied/ calc'd range

500/24"/1.29 mil/ 517
550/24/1.21/551
600/24/1.15/580
700/24/.95/702
800/24/.825(optimistically)/808
pretty good considering midday mirage was present.

One 450 yd. 17.2" plate was reticle-ranged using what i refer to as the modified mil-ranging formula using the 2nd stadia of the Varmint Hunter reticle (4.32 IPHY) as follows--

17.2 x 100/4.32/.9 = 442
Reply With Quote
  #2  
Old 05-09-2006, 06:12 PM
Platinum Member
 
Join Date: Jan 2003
Location: The rifle range, or archery range or behind the computer in Alaska
Posts: 3,418
Re: Interesting reticle ranging tests

Thats not bad!

I typically get within 25 yards at 750 yards. Most guys anymore think that miling for targets instead of LRFing targets is a waste of time. I wonder how much of a waste they think it will be when their LRF goes "Tango Uniform" [img]/ubbthreads/images/graemlins/laugh.gif[/img]
__________________
Quote:
Originally Posted by Broz View Post
Please just answer one very simple question. Why would anyone shooting long range load a low BC , low SD 168 gr offering in a 300 win???????

My answer to this is. The only reason is to make the 7 RM look good. There is no other reason.

Jeff.
Reply With Quote
  #3  
Old 05-10-2006, 06:41 AM
Gold Member
 
Join Date: Feb 2005
Posts: 564
Re: Interesting reticle ranging tests

Plus, there are situations where you just can't get a reading on an LRF (too far, conditions not right, etc.)

Ranging animals (which vary in size more than we might expect), however, is another ball of wax (or hair, as it were). [img]/ubbthreads/images/graemlins/laugh.gif[/img]

Without a precise number on the size of the target, the range estimation error can be egregious... [img]/ubbthreads/images/graemlins/frown.gif[/img] But if that's all ya got, it's better than nothing. Watch for the bullet impact in the scope's field of view and correct quickly with a follow up. [img]/ubbthreads/images/graemlins/smile.gif[/img]

Dan
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes


Similar Threads for: Interesting reticle ranging tests
Thread Thread Starter Forum Replies Last Post
Ranging with a Reticle ??? Broz Long Range Scopes and Other Optics 4 02-21-2010 05:26 PM
Did some powder temp sensitivity tests today, interesting results. Michael Eichele Rifles, Bullets, Barrels and Ballistics 8 12-15-2008 08:51 PM
Interesting range tests with the 338 Allen Magnum.... Fiftydriver Rifles, Bullets, Barrels and Ballistics 3 05-07-2006 07:44 PM
ranging with the IOR MP8 reticle?? JustC Long Range Scopes and Other Optics 4 08-04-2004 12:34 PM
Interesting New stuff: The MOA reticle. DMCI Long Range Scopes and Other Optics 13 11-03-2003 05:52 AM

Current Poll
Where in the US do you live?
West of the Mississippi River - 59.89%
772 Votes
East of the Mississippi River - 37.78%
487 Votes
On the Mississippi River on a houseboat - 2.33%
30 Votes
Total Votes: 1,289
You may not vote on this poll.

All times are GMT -5. The time now is 05:21 PM.


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