Generally, a telescopic one. Like a scope on a Sniper rifle
Telescope
it makes the gun moire accurate when you are not aiming down the sight
Both can be equally accurate
No. It does not have any rails, nor is it accurate enough to need one.
Blue Book of Gun Values
Depends on the target. Generally, but not always, a telescopic sight.
How do you sight a power line 880 bb gun?
The question can't be answered as written.
Super soaker 8000
AIM B Style Red Dot Gun Sight-wrong your barrel
The front sight is called "the front sight."
Yes, a front and a rear sight.