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Old November 12, 2001, 01:53 AM   #1
fastforty
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How to set/use rear sight on M1 Garand?

Knob on the right adjusts windage- 4 "clicks" makes a full turn. I'd assume that a "click" moves POI left/right a set distance @ 100 yards?

Knob on left is numbered 2 through 12, and adjusts elevation.

How is this sight best set and utilized?

Thanx
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Old November 12, 2001, 03:19 AM   #2
SIC TRANSIT GLORIA MUNDI
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Here is the procedure according to Walt Kuleck, straight off the Fulton Armory website:

The starting point for windage zeroing your M1 or M14 is to get a "no-wind" windage zero. Center your rear sight according to the index marks on the receiver and sight base. Center the front sight in its dovetail (loosen the Allen-head screw, of course) as best you can by eye. Using a pencil, draw a witness mark on the sight & base. Fire a group at 100 yards (under "no wind" conditions, of course!). If your group is not centered, loosen the front sight and move it opposite to the direction you want the group to move. Continue to fire and adjust until your group is centered. You may, of course, have to put a click or three on the windage if your front sight starts to overhang the sight base. If you find that your front sight is "way too far" over, you may have a bent barrel or other problem; consult with Clint.

For elevation, start with eight clicks up from the bottom at 100 yards. Each click (either windage or elevation) with standard sights is 1 MOA, so one click will move you one inch. Typically you'll come *down* one click at 200 yards. If you can, confirm your zero at 200 yards; this will allow you to loosen the screw in the elevation knob and turn the knob so that the "2" mark is opposite the index on the sight base.

A quick & dirty "battle zero" may be obtained by zeroing 1.25 in up from the point of aim (for .30-'06) at 25 yards. This zero should allow its on man-sized targets form 0 to 400 yards.

If you have "National Match" sights, there are only two differences between Service and NM sights.

First, the windage clicks yield 1/2 MOA (1/2" per 100 yards), assuming you have an NM base and windage knob.

Second, the NM hooded aperture is on an eccentric, so that while the elevation knob still gives you 1 MOA (1 inch per 100 yards), rotating the aperture 180 degrees changes the elevation 1/2 MOA. See

http://www.fulton-armory.com/NMRearSight.htm

for the details on how that works.

Except for the "finer" adjustments (twice as many windage clicks to move the point of impact a given distance, for example) the procedure is precisely the same.

--Walt Kuleck

Hope that helps. Good shooting!
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Old November 12, 2001, 12:47 PM   #3
fastforty
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Join Date: December 28, 1999
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Thanx a heap
I've been all over the FA site & hadn't found it.

Got it here too:

http://www.shootingworld.net/lane/m1m14sight.html
http://www.shootingworld.net/lane/nmrearsight.html

Which came from:
http://www.shootingworld.net/lane/csptips.html
Lotta good stuff there
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Last edited by fastforty; November 13, 2001 at 02:12 PM.
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Old November 13, 2001, 02:21 PM   #4
fastforty
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Hmmmm, posts don't go btt when you edit a response. Learn something new every day here
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