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MWS
12-27-11, 23:23
I was hoping someone can tell me what the change in point of impact will be per "click" for both A1 and A2 standard rear sights at 100 yards. If barrel length is a factor, what would these numbers be for 14.5", 16", and 20" barrels.
Any help would be appreciated

Iraqgunz
12-27-11, 23:29
From the Operators Manual. You may want to locate one.

FOR ELEVATION (per click)
IMPACT DISTANCE
0.9 cm (3/8 in.) 25 meters (M16A2/M16A3/M16A4)
3.5 cm (1 3/8 in.) 100 meters (M16A2/M16A3/M16A4)
7.0 cm (2 ¾ in.) 200 meters (M16A2/M16A3/M16A4)

FOR WlNDAGE KNOB (per click)
IMPACT DISTANCE
0.3 cm (1/8 in.) 25 meters (M16A2/M16A3M16A4)
1.25 cm (1/2 in.) 100 meters (M16A2/M16A3/M16A4)
2.60 cm (1 in.) 200 meters (M16A2/M16A3/M16A4)
3.8 cm (1 ½ in.) 300 meters (M16A2/M16A3/M16A4)
5.0 cm (2 in.) 400 meters (M16A2/M16A3/M16A4)
6.3 cm (2 Min.) 500 meters (M16A2/M16A3/M16A4)
7.8 cm (3 in.) 600 meters (M16A2/M16A3/M16A4)
8.8 cm (3 ½ in.) 700 meters (M16A2/M16A3/M16A4)
10.0 cm (4 in.) 800 meters (M16A2/M16A3/M16A4)

Tweak
12-27-11, 23:57
14.5" and 16" will be the same mechanically given the same sight radius. for the 20" it's 1 MOA for the A1 and 1/2 MOA for the A2.

ETA: thought I had my old sight card online already.

http://i13.photobucket.com/albums/a264/artweaker/sighting%20in/MOA5025.jpg

MWS
12-28-11, 14:52
Thanks guy. That's the info I needed.