Which sight aperture to use?

Power Pill

Power Pill

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So as we all know AR-15s and other black rifles have dual apertures on the rear sight. the more open one is used for 0-200 and the narrower one is for 200+.

The problem I have with 0-200 is that its hard for me to focus either the front sight or the target. People have recommended just focusing on the front sight post...but I still have issues with focusing and my last trip to the eye doctor I have 20 20 vision. When I switch to the more narrow one, I have no or less issues with focusing on the sight.

Does anyone else have this problem or is it just me? Id like to be able to zero with the 0-200 and have the option of flipping to the 200+ should the chance arise. But if I can't focus on the sight, whats the point right?

Thanks :D
 
That's one of the inherent problems with shooting 'nose to the charging handle'; your eye is so close to the aperture, it is difficult to focus with.

That being said, I mostly use the small aperture if I am shooting irons.
 
Large rear aperture is only useful at 'bad breath range', at which distance you're not waiting for a perfect sight picture before you trip the trigger.
The smaller one actually sharpens the focus on the front sight for myself who suffers from near sightedness and I don't usually wear distance correction when I shoot.
Past 50 metres, I'd better have a red dot, or preferably a magnifying optic if I actually want to put rounds on target.
 
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