1. Some of the cheapo clones.....are not so cheap and don't mechanically work. There have been batches of them that never actually adjusted windage/elevation and some that if you went past a certain point they would simply break. If you're turning the adjustment and it doesn't do anything...and then turning it the other way and it doesn't do anything...then it's broken (see 2nd point first) and good for nothing but show.
2. When comparing to your iron sights...you need to be looking through/aligned with BOTH your rear and front iron sights to see if moving your RDS is working. Comparing with just one or the other won't work.
3. You should be zero'ing your iron sights (i.e. move the point of aim so that it's where you want it in relation to your point of impact)...and then zero your optics (ignore the iron sights) to do the same thing. Then put it them together and see where it lines up. Theoretically it'll be the same and the reticle of your RDS will be right on the tip of your front sight if you're looking through the rear sight...mechanically (especially with shitty spec airsoft stuff) they can be very different.
4. Since these are not true paralax free holographic sights...these clones are a little goofy. Don't sweat that. Zero your irons...put the RDS where you want it on the gun and then zero the RDS. Best way to do that is to shoot a paper target from a decently supported position....at a decent distance (i.e. 50'+). You will have to fine tune when you get out to longer ranges....and realize that BB's don't follow the same balistic path as bullets. For all intents and purposes assume the flight of the BB is dead flat/straight until you get a handle on things.
5. As said...with these sights you can have the RDS mounted pretty much anywhere along the top of your gun. You're supposed to use it like a "heads up display". Put reticle on target...hit target. Just supposed to be quick. All in all....for CQB I find point shooting as quick and pretty much as accurate. For a careful aimed shot, I've found irons to be just as accurate...and aside from a glowing dot/reticle being easier to pickup in a dark forest/low light environment...I haven't really found that they were a "must have". Looks cool though.
Hope that helps.
Last edited by m102404; January 12th, 2012 at 13:53..
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