Iron sights are the most inexpensive type of firearm sight. They consist of a front post and a rear notch or aperture, allowing for quick target acquisition without the need for batteries or complex adjustments. Due to their simplicity and durability, they are commonly found on a wide range of firearms, from handguns to rifles. While they lack the precision of more advanced optics, they are effective for many shooting scenarios.
Iron sights are the most common an are sometimes interchangeable.
Sight
Rear notch, front blade.
Non adjustable blade sight.
A backsight is the rear sight of a firearm.
Depends on the firearm.
the process of lining up a firearm's rear and front sights
It is the image that a shooter sees when looking through the sights of a firearm at a target, and shows the alignment of rear sight, front sight and target.
Yes. If you don't have a CCW, it must be kept in plain sight.
$25-$90. Inexpensive firearm of indifferent quality.
bead sight
You must define what type of firearm you are talking about.