Sighting in rule of thumb

[Lost Lake]

TASK- Zero an M16A2 Rifle

(1) After setting the front and rear sights to mechanical zero, the elevation knob is rotated up (clockwise) one click past the 8/3 (300-meter) mark. The elevation knob will remain in this position until the battlesight zeroing has been completed.

(8) To place your 300-meter zero on the rifle, you must rotate the elevation knob one click counterclockwise. The 8/3 (300-meter) mark on the elevation knob should now be aligned with the index mark on the left side of the sight.

I don't know why you guys keep saying I'm wrong, when this post shows I'm right!

You DO NOT zero at 25 meters without throwing the rear sight off ahead of time.

So you throw the sight, hit a target you could dang near spit on, then return the sight back to where it should be. At this point you will be zeroed at something around 40 meters I would bet..... And a LOT closer to 300.

Now fess up! How many of you weren't doing this?

 

[cyphertext]

I don't know why you guys keep saying I'm wrong, when this post shows I'm right!

You DO NOT zero at 25 meters without throwing the rear sight off ahead of time.

So you throw the sight, hit a target you could dang near spit on, then return the sight back to where it should be. At this point you will be zeroed at something around 40 meters I would bet..... And a LOT closer to 300.

Now fess up! How many of you weren't doing this?

Reading comprehension is key....that is with the M16A2...again, different with the M4.

Posted again from the field manual...

Special Instructions
Ensure that—
• The rear sight is on the proper setting (zero; M16A2/3=8/3+1; M16A4=6/3+2; M4=6/3).

So which rifle are you talking about here? If you are talking about your S&W M&P 15OR, you would need to follow the instructions for the M4.

 

[Lost Lake]

Reading comprehension is key....that is with the M16A2...again, different with the M4.

Posted again from the field manual...

Special Instructions
Ensure that—
• The rear sight is on the proper setting (zero; M16A2/3=8/3+1; M16A4=6/3+2; M4=6/3).

So which rifle are you talking about here? If you are talking about your S&W M&P 15OR, you would need to follow the instructions for the M4.

I may be getting this now....

So the A2 and A3 you go one click past the 8/3 setting, the A4 is 2 clicks past the 6/3 setting, and the M4 stays ON the 6/3 setting!!!

AM I RIGHT?? WOO HOO!!!

I think I have it!!!

Okay, back to business. An OR has no sights....

And my 15A model has a rear Troy Battlesight, so none of this pertains to mine anyway. All these instruction are for carrying handle sights.

 

[cyphertext]

I may be getting this now....

So the A2 and A3 you go one click past the 8/3 setting, the A4 is 2 clicks past the 6/3 setting, and the M4 stays ON the 6/3 setting!!!

AM I RIGHT?? WOO HOO!!!

I think I have it!!!

Okay, back to business. An OR has no sights....

And my 15A model has a rear Troy Battlesight, so none of this pertains to mine anyway. All these instruction are for carrying handle sights.

You got it chief...and believe it or not, the target for the sight in target for the M4 is different than the one for the A2.
You might like these targets...should have posted them before. They have the zero instructions on them too.

http://www.bobdbob.com/~deneb/doc/targets/m4-carbine-zero.pdf

http://www.bobdbob.com/~deneb/doc/targets/m16a2-25m-zero.pdf

I don't have a carry handle, but I have the same sight system as the carry handle on my .22lr AR. I have a Matech on my Sport, and the sight in is very similar for it as well.

 

[stavman11]

hey....

what Happened to this thread


It was very entertaining


Sorry guys 1st day in 6 days with Coffee... and im all JACKED UP

 

[Lost Lake]

It took these guys a while but I think they finally beat it into my head....

Sooooo I went out and sighted in my 15A yesterday FINALLY...

First three shots at 35 yards were 1" right and 1" low. I bumped it left an inch and left it there. Done. It was THAT close from the factory. The red dot that I slapped on it was perfect right out of the box. I bet that has never happened.

Anyway I had a good time and my son and eldest daughter had a blast shooting the AR and a slew of handguns.

The warden went along and finally believes me now that she can't shoot my 642 real well, and for now she is keeping a 9c and M&P22 by her side. She doesn't like the long trigger pulls on the 642, 6906, 3913 and 4513. Oh well, my good because I get my 642 back to pocket carry this summer.