A tornado, also known as a "twister" or a "cyclone," is a violent rotating column of air in the shape of a funnel that extends from the base of a thunderstorm to the ground.
If you can’t adjust your elevation up or down enough to get the bullet on target, use this chart to determine the amount of correction either positive or negative.
Proper sight height is not difficult. Just remember that the goal is to make the front and rear sights the same height above the center of the barrel.
This video provides a demonstration of how to measure your handgun for the correct sight height.
This video segment shows you how to measure your rifle for the correct rear sight height.
This is a step by step process on the proper method of measuring for the correct front and rear sight height.
Using a flat top rifle receiver or scope bases and your work bench this video shows you how to measure iron sights for your rifle.
This video shows you a step by step process on the proper method of measuring for the correct front sight height.
Use the following equation to determine the height
you need to make
Figure Out Amount of Adjustment Necessary To Correct Error By Using This Chart
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