How do I use the ACOG optics?

[tea]

It's attached to my M4A1 and I can't seem to get it to work. I hit page up and it won't zoom?
Am I doing something wrong? It's in pristine condition and the number in the top corner goes up to 700, yet nothing changes?

[Rendvar]

I dont think anything on the m4 is an adjustable zoom i know the mausser has a long scope that is.

[Tronster]

just right click once. page up/down effects the range of the scope effectivness i.e 100m, 200m etc.

[KaJiLLiN]

When you look down your sight it is in use, numbers are for range.

[tea]

Originally posted by Tronster:

just right click once. page up/down effects the range of the scope effectivness i.e 100m, 200m etc.

Oh I see now. thanks

[Øhjens]

Firing a bullet from a rifle, is like firing artillery round on a micro scale.

When a bullet leaves the barrel of a rifle, it's instantly affected by gravity and will begin losing height. This is why a rifle's back sight is slightly higher than the front sight, which means that when the front and back sights are level, the rifle's barrel aims slightly upwards. When you changes the zeroing of your sights/scope, you increase or decrease the balistic arc of the fired round.

If your sights are zeroed at 300 meters. The bullet will hit where your sights are aiming at 300 meters. With a 300 meter zero, your bullet is higher than your sights at 150 meters and past 300 meters, the bullet will lose it's height.

[tea]

Originally posted by Dallas, not Dallas:

Firing a bullet from a rifle, is like firing artillery round on a micro scale.

When a bullet leaves the barrel of a rifle, it's instantly affected by gravity and will begin losing height. This is why a rifle's back sight is slightly higher than the front sight, which means that when the front and back sights are level, the rifle's barrel aims slightly upwards. When you changes the zeroing of your sights/scope, you increase or decrease the balistic arc of the fired round.

If your sights are zeroed at 300 meters. The bullet will hit where your sights are aiming at 300 meters. With a 300 meter zero, your bullet is higher than your sights at 150 meters and past 300 meters, the bullet will lose it's height.

Thank you, this helps alot

[Øhjens]

I usually keep my rifle on a low zero(100-300), because a short barreled M4 rifle isn't the best for sniping and the 5.56mm round isn't very effective on long ranges. So I mostly only use my M4 on close ranges and if I need to shoot at longer ranges, I either take the time to zero it or simply use the Acog sights crosshairs to adjust the shot.

The short horizontal bars below the X of the crosshair have a 4 or a 6 next to it. The bar marked 4 is as broad as a human's shoulder width at 400 meters, so you can use these bars to measure the distance to your target.

[nemO]

You actually have the best of both worlds with that sight on your assault rifle. A real ACOG scope works in principle as described above (i.e. the lines under the main cross hair are the width of an average human male shoulders, face on, with some numbers to give you a quick reference guide as to distance. Unfortunately they are a little hard to make out but it is still doable, just make sure it's a pristine one . . and yes, I know, they are hard to find :) The guide for the ACOG is better described here - http://dayzdb.com/database/m16a4-acog - from the original MOD. As I said you have the best of both worlds though because at the minute you can zero your rounds to a particular range making the ACOG sight slightly redundant because after a while it's not that hard to judge how far away something is. Personally I use them as glorified binoculars at the minute as I scope out a town or military base far far away, before I venture near it. Your best chance of finding them (and indeed other *really* necessary add ons for your assault rifle) is the small military tent city north of the NWAF. Beware however because it is a lurker and sniper's paradise and you won't be getting to it in a hurry. Look on it as a destination that you're heading for, not just one you want to run to . . that's 1/2 of the fun :) Oh! and one final point in case you don't read the web article - headshots! That's what the ACOG is designed for. If you want to use it semi realistically you should practice doing this now because I can near guarantee zero-able M16s won't be a permanent feature. It just wouldn't make sense to do so. Much more fun is picking up a RAIS barrel and a x2 RDS scope with an optional flashlight bolt-on - now THAT is fun! :)