Rear sight clicks - M14 Forum

M14 Forum


Rear sight clicks

This is a discussion on Rear sight clicks within the Accuracy forums, part of the M14 M1A Forum category; I recently purchased a SAI m1a standard and the m14 owners guide by scott duff. I haven't fired it yet but I've taken it apart ...


Go Back   M14 Forum > M14 M1A Forum > Accuracy

Reply
 
LinkBack Moderator Tools Display Modes

Old March 14th, 2010, 07:51 PM   #1
Squad Leader
 
Mski11's Avatar
 
Join Date: Dec 2009
Location: Clarksville, TN
Posts: 246
Rear sight clicks

I recently purchased a SAI m1a standard and the m14 owners guide by scott duff. I haven't fired it yet but I've taken it apart to learn a bit about it. I got to the part about the rear sight and Duff said the elevation can be adjusted 0 to 72 clicks. I was messing with mine but only get 7 out of it. I loosened the the screw on the left side a little and it gets more clicks but no adjustment on the site. What am I missing here? Especially since when I read about zeroing they said to move the site 8 clicks up to start with. Then when firing to different ranges they mention moving to a certain elevation plus x amount of clicks. I could use any help and I hope its not something too simple that I'm missing here.

Mski11 is offline  
Remove Ads
Old March 14th, 2010, 10:33 PM   #2
Professional Slacker
 
ripsaw's Avatar
 
Join Date: Dec 2009
Location: Mississippi
Posts: 2,287
sights

Maybe this will help http://m14tfl.com/upload/showthread.php?t=79073 read through it and let us know if you have any more problems, and welcome to the forum.

ripsaw is offline  
Old March 15th, 2010, 01:23 PM   #3
Squad Leader
 
Mski11's Avatar
 
Join Date: Dec 2009
Location: Clarksville, TN
Posts: 246
I read the link and had read through a lot of posts prior to posting my own question in case i could find the answer. But my question now, after reading the link and taking apart my Rear sight, is how many elevation clicks should my rear sight have? like I said scott duff said something about 0 to 72 clicks but I only get seven clicks total for elevation. Is that the way its supposed to be?

Mski11 is offline  
 
Old March 15th, 2010, 01:45 PM   #4
Lifer
 
JayKosta's Avatar
 
Join Date: Mar 2009
Location: Endwell NY
Posts: 2,191
There should be about 70 elev clicks from all the way down, to all the way up. At its lowest the rear aperture will be down to the sight base. The 70 clicks should raise the aperture about 5/8 inch.

The elev knob should turn with just moderate force - if it is overly difficult to move, then turn the 'nut' in the center of the windage knob ccw 1/2 of a turn - press 'in' with your thumb on the screw head in the elev knob will allow the wind nut to be easier to turn.

It might be that there is some debris inside the sight on the elev pinion or on the teeth of the aperture ramp that is causing it to bind. To check this, unscrew the nut in the wind knob all the way until it just spins. That should be enough for the elev knob to be pulled from the receiver. You should also be able to slide the aperture ramp up and out of the sight base. Then check the teeth on the elev pinion shaft and also on the aperture ramp.

If the elev knob just 'ratchets' without the aperture ramp moving, then the screw in the elev knob is not tight enough.
The screw in the elev knob is there to allow the knob to be turned for regulating the distance hash marks.
In normal use the elev knob screw should be firmly tightened - that screw does not adjust the force needed for turning the elev or the windage knob.

Jay Kosta
Endwell NY USA

JayKosta is offline  
Old March 15th, 2010, 04:03 PM   #5
Dodgin' The Reaper
 
Join Date: Dec 2009
Location: Austin, TX, USA
Posts: 5,679
Jay, I'll bet that's what he's got - a fairly "tight" aperture at the 6-8 clicks up range and probably into the 20's, which is good, and a loose set screw in the elev knob.

Wrap a leather sling keeper or similar around elev knob, grip with a decent pair of pliers in one hand, use correctly sized screwdriver to tighten set screw normal clockwise. Then try your sight.

bd111 is offline  
Old March 15th, 2010, 05:31 PM   #6
Squad Leader
 
Mski11's Avatar
 
Join Date: Dec 2009
Location: Clarksville, TN
Posts: 246
I went ahead and tightened the elevation but I still can only move it those few clicks even when I'm really trying. One thing I was thinking about was when I broke down the RS today the aperture ramp would stick after a 7 clicks with maybe 2 teeth protruding out the bottom. Its limited to that range of motion and doesn't come out at all. Should I try and force it with a gerber? Although I'm not sure what I should wrap around the elevation knob. Do I just need a little padding? Or does the RS need to be replaced?

Mski11 is offline  
Old March 15th, 2010, 06:12 PM   #7
Dodgin' The Reaper
 
Join Date: Dec 2009
Location: Austin, TX, USA
Posts: 5,679
You don't need to replace anything, I wouldn't think. Before you take it apart, though, loosen the center nut on the windage side 1/2 turn and try the elevation run-up again. If that still won't lift the aperture up past the 7 or so clicks, you'll need to disassemble/remove the sight, then slide the aperture back into the base, work it up & down to see where it's hanging up. You can tap the aperture out of the base with a small dowel rod once the sight's off the rifle. I wouldn't go yanking on it with pliers or the like or you can break it. Might be a high spot on one edge or the other of the aperture, which can be stoned to slide smoothly in the base without making it too loose. A dab of grease helps. Less likely might be a broken tooth on the bottom of the aperture, in which case you'll need to replace it. Good luck.

bd111 is offline  
Old March 15th, 2010, 07:00 PM   #8
Squad Leader
 
Mski11's Avatar
 
Join Date: Dec 2009
Location: Clarksville, TN
Posts: 246
Thanks for the help, I'm still pretty new to this. But I'm definately looking to be able to work on my rifles myself. I've read about stones on this site but what is it called and where can I get my hands on one?

Mski11 is offline  
Old March 15th, 2010, 08:08 PM   #9
Professional Slacker
 
ripsaw's Avatar
 
Join Date: Dec 2009
Location: Mississippi
Posts: 2,287
Sights

Try Brownells and maybe this will help http://www.surplusrifle.com/garand/r...mbly/index.asp

ripsaw is offline  
Old March 16th, 2010, 06:33 AM   #10
Lifer
 
JayKosta's Avatar
 
Join Date: Mar 2009
Location: Endwell NY
Posts: 2,191
Try this:
1) Loosen the 'nut' in the center of the windage knob about 4 full turns ccw.
2) Remove the entire windage knob by turning it ccw until it comes out.
It might be necessary to loosen the wind knob nut a little more.
3) With the wind knob removed, the entire elev knob & pinion should be able to be pulled out.
This should not require any tools, just pull out on the knob with your fingers.
If the elev knob seems to be stuck, then try turning it a few clicks (whatever direction works) and try again.
If the elev knob cannot be removed then STOP, you should find someone in your area who knows about this and have them look at it - maybe contact a local gun club and ask about 'highpower rifle shooters who know about M1/M14 sights'.
4) With the elev knob & pinion out, the aperture ramp should be able to be pulled up and out of the sight base - no tools just firm finger pull.
5) Visually inspect the inside of the elev knob - there is a small 'nub' that rides in the serations on the receiver. Check the serations too.
Inspect the teeth on the elev pinion and on the aperture ramp. The teeth should all be very 'regular looking' - no burrs, bends, etc. this is a simple 'gear drive' mechanism.
Maybe brush the teeth with an old toothbrush to remove anything in the 'valleys'.

See here for an illustration of the rear sight -
http://www.fulton-armory.com/NMRearSight.htm
The standard sight works the same way but does not have the 'fine thread' for windage, and does not have the hood on the aperture.

ALSO - do you know if the elev ever worked ok?

Jay Kosta
Endwell NY

JayKosta is offline  
Old March 16th, 2010, 10:56 AM   #11
Squad Leader
 
Mski11's Avatar
 
Join Date: Dec 2009
Location: Clarksville, TN
Posts: 246
I bought this rifle right before I went to Afghanistan so its right out of the box and hasn't been fired yet, so the elevation hasn't worked. I pulled the RS apart twice and the second time trying to remove the aperture from the base which it doesn't. Just to be sure, which direction does it move? Towards the muzzle or away? The knobs are all in good shape cause they are brand new. I'm pretty sure its just the aperture ramp or base. They don't separate on mine so I don't know which one it could be. I couldn't tap the ramp out of the base. I'm probably going to call SAI and see if they will replace it. I'm wanting to get this baby on the range. I hate having a rifle that I can't fire.

Mski11 is offline  
Old March 16th, 2010, 12:15 PM   #12
Professional Slacker
 
ripsaw's Avatar
 
Join Date: Dec 2009
Location: Mississippi
Posts: 2,287
Aperature

It just lifts to the rear and up and out of the rear sight base and cover, something is amiss if it will not. At the back of the sight base you can push in on the sight cover and pop it up and off. It is the thing that covers the sight aperature, kinda half s shaped thin metal that the aperature slides through on the top through a square or rectangular hole. If you can get it off , you can see what's going on in there. Sounds like the bottom of the aperature is bound up tight against the top of the receiver or the sight base cover is bent down and holding it there. That or trash in the teeth and gear holding it in a bind, don't force anything, it should come apart easy once you remove the windage and elevation knobs. Might be you have a receiver that is out of spec. in the rear sight deck area.

ripsaw is offline  
Old March 16th, 2010, 12:24 PM   #13
Squad Leader
 
Mski11's Avatar
 
Join Date: Dec 2009
Location: Clarksville, TN
Posts: 246
I broke it all the way down but the ramp wouldn't come out of the base. I called SAI today and they told me to send it in to them. Its got to be jacked up one way or the other. I'm just hoping to get it taken care of soon so I can go out and fire it. But thanks to all of you who helped me try and straighten this out.

Mski11 is offline  
Reply

  M14 Forum > M14 M1A Forum > Accuracy


Search tags for this page
hawken rifle rear sight elevation srew
,
how many windage clicks does a rear sight have
,

m14 sight clicks

,

m1a rear sight clicks

,
missing elevation index
,
rear apperture on m-1 rifle slides down on its own.com
,
rear sight 15 clicks left
,
sight clicks
,
take off aperature with out taking apart rear sight
,
total elevation clicks on lmt rear sight
Click on a term to search for related topics.

Moderator Tools
Display Modes


Similar M14 Forum Discussions
Thread Thread Starter Forum Replies Last Post
Maintenance of the M14 Ted Brown Ted Brown 16 December 20th, 2016 10:25 AM
Question between fixed A2 sights and DCH sights for A3 stevenmac2 M16 AR15 19 March 30th, 2008 09:37 AM
M1a rear sight aperture question sourceofuncertainty The M14 12 October 14th, 2007 02:25 PM
rear sight installation edm The M14 3 July 3rd, 2007 07:04 PM



Top Gun Sites Top Sites List