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Iron site click adjustemnt

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rfmiller
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Post by 82boy Sun Nov 09, 2014 8:07 am

Here is a question for you all: On iron sights is the a "click value" of most sights? Like a rifle scope 4 clicks equals 1 inch at 100 yards or so forth. Does anyone know the click value of most sites? For example on a Colt National Match with Ellison sites 4 clicks would move the site 1 inch at 50 yards. (I don't know if this is true, but looking for what is true.) Can anyone help me out? Thank you guys
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Post by LenV Sun Nov 09, 2014 9:47 am

Interesting question. I was bored waiting for football so thought I would find out. I only tested one pistol and that was a Range Officer with a sight radius of 6.875". I first divided 1800" by the radius and figured that 50 yds was 261.8 times the sight radius of the RO. I got a difference reading on the sights of between .022 and .023 for an elevation of 10 clicks. Compromised at .0025 for 1 click then timed that by the 261.8 and got a result of .65" per click of elevation at 50 yds. Hope that helps.

Len
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Post by Axehandle Sun Nov 09, 2014 9:54 am

There are tables out there that details the various value of a "click" on popular pistol target sights.  I've got one in my gun box.  If we don't get a quick post with the details I'll take a picture and post it..

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Post by Sa-tevp Sun Nov 09, 2014 4:10 pm

This may help.

http://www.guntalk-online.com/forum/viewtopic.php?t=215&sid=a573d67a930de9a8e0e4426a733194b8

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Post by 82boy Sun Nov 09, 2014 6:05 pm

Thank you exactly what I was looking for.
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Post by Jack H Sun Nov 09, 2014 7:19 pm

Sa-tevp wrote:This may help.

http://www.guntalk-online.com/forum/viewtopic.php?t=215&sid=a573d67a930de9a8e0e4426a733194b8


Mr Bullseye there is really a nice guy.  Is one of you guys Mr Bullseye?
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Post by Sa-tevp Mon Nov 10, 2014 2:16 am

Not I. My day job involves technical research, so when I started shooting a few years ago with a Ruger Mark III I soon found his guides for dis-assembly (which would make a great Powerpoint file if I ever had the time) and wrote him to compliment him on them. His S&W 41 guide is good too.

http://www.guntalk-online.com/forum/viewforum.php?f=4

I think I used Alt+Print Screen on a Windows computer, pasted into MS Paint and then trimmed the chart into something I could print and tape to my pistol box lid.


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Post by Ed Hall Mon Nov 10, 2014 8:25 am

Sa-tevp wrote:
I think I used Alt+Print Screen on a Windows computer, pasted into MS Paint and then trimmed the chart into something I could print and tape to my pistol box lid.


Not to downplay all the work you did to print it, and I haven't used Windows much in a long while, but couldn't you just right click on the images and save them?  The first one saves as sightadj.GIF for me on my linux machine.  From there I can just double click the file and print from whatever viewer opens it.  Wouldn't Windows allow that as well?

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Post by rfmiller Mon Nov 10, 2014 8:29 am

This is how I copied the images from the Guntalk site:  pull up the site;  put your cursor on the image;  right click and pick "copy image" from list;  open another tab in file;  in the other tab, open your word program;  in the word program, press Ctrl + V (or use "paste").  That image will be copied into your word document.  Do this to all three images.

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Post by Sa-tevp Mon Nov 10, 2014 9:06 am

Yep, pasting to a word document is easier. I've got so used to more challenging image formats that I forgot doing that a while back.
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Post by Motorcycle_dan Mon Nov 10, 2014 4:44 pm

82boy wrote:Thank you exactly what I was looking for.

Might also make a little tag for each pistol (like a rifle data book)
Gives total clicks up from base to your 50yd zero.
Have a shooting diary/logbook in your box.
It should list sight adjustments DOPE. Code like 2T+1=50yCM
which means to me two turns and one click is 50yd Center mass hold
2T-2=50f6 means two turns back down 2 clicks is 50ft for 6:00 hold.

While this is a good idea, be HARD on the sights and call your first shot.  Then adjust to your call. If your first shot call is 2:00 then scope a 9 at 6:00 up 2 left 1.  Call the sights NOT the sight picture.  Bright sun can mess you up by several clicks so don't be afraid of the screwdriver.  The P100 at Perry.  Bright sun from hard right always makes me shoot right.  I see what I believe is true sight alignment but suspect the gap on the right is brighter because the sun and I try to equalize the "light" which makes the gap on the left larger and my shots on the 7~8 ring at 3:00.  Then once I have it adjusted (about the end of timed fire) I think I'm good for the NTI.  Nope sun is up mid sky and now I'm shooting 7~8 ring at 10:00.  If it were easy they'd call it golf.
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Post by Motorcycle_dan Mon Nov 10, 2014 4:47 pm

Dang, last comment.  I always like to be moving the screwdriver clockwise before I stop.
So if I want to go down two clicks, just put it on.  But if I want to go up 2 clicks, I will go up 10 then down 8.  Maybe not 10 but at least 6 clicks
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Post by Motorcycle_dan Mon Nov 10, 2014 4:56 pm

Rather than making your cheat sheet to say 1/4" per click.
Why not change it to score lines.
then you get a better feel for it.  if you know 1.5 clicks per score line and you are in the 8 ring, 4 clicks should get you into the X.  Again the targets score lines are the same but at 50yd they require 1/2 the adjustment as they do at 25yd.

Or how many clicks to go across the black, use something like that rather than inches.
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Post by GrumpyOldMan Mon Nov 10, 2014 9:57 pm

I had seen something like that in an older shooter's box years ago and forgot I wanted to get one myself.

Now I have one.

But for the S&W stuff, is that for a 6-inch revolver or a 5-inch Model 41 or a 7-inch Model 41 or a Model 52??? I just can't imagine all of them being the same. Pretty sure the 52 is different from everything else...  Off to Google that stuff...

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Post by james r chapman Tue Nov 11, 2014 4:01 am

Dan, excellent old school advice!
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Post by Jerry Keefer Tue Nov 11, 2014 12:11 pm

"CLICK BOLDLY"
Back in my PPC days, we often shot by or near the DC Team at the Jackson Nationals.. Their Captain was very fond of saying.." Click Boldly"..
Light changes have a great effect on iron sights...In fact, from target #1 to #50, there is none, or very little back stop berm.. From #50 thru #100, there is a distinct berm.  Berm or no berm,  made quite a difference in sight setting. Shooting at the Secret Service Matches in Beltsville was also tough.. Depending on your target position.. If you were squadded next to the wall, or in the center  of the range which is completely covered..
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Post by GrumpyOldMan Thu Nov 13, 2014 5:49 pm

Motorcycle_dan wrote:Rather than making your cheat sheet to say 1/4" per click.
Why not change it to score lines.
then you get a better feel for it.  if you know 1.5 clicks per score line and you are in the 8 ring, 4 clicks should get you into the X.  Again the targets score lines are the same but at 50yd they require 1/2 the adjustment as they do at 25yd.

Or how many clicks to go across the black, use something like that rather than inches.
Nice idea, Dan, but last I looked at a Standard American Pistol Target the scoring rings were not all the same width. X-10 is skinniest, 10-9 looked the same as 9-8 IIRC then 7 was wider and 6 and 6 were the widest.

Now the old over the course rifle guys just used data books that had gridlines every 2 MOA.  Many had the outer scoring rings scaled smaller (or a bigger 9-10-X, put the other way), which always confused me when I had to switch between outer area grid and inner area, like when I put 600 yard dope on a 500-yard sighter... So I made my own that was all to scale and coped with the center area getting crowded with plots...

So you could do your own data book with, say, a 5-click light dashed line grid over the target map. Specific to YOUR gun.

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