Hunter Safety
Good marksmanship is based on three fundamentals:
Proper sight adjustment or patterning, proper shooting technique, practice
shot pattern
The spread of shot pellets after they hit a non-moving target
minutes of angle (MOA)
The standard measurement unit of shooting accuracy; one minute-of-angle (MOA) is 1/60 of one degree, or approximately one inch, at 100 yards
shot string
The three-dimensional spread of shot pellets after they leave the barrel
safety
a device that blocks the action to prevent the firearm from shooting until the safety is released or pushed to the off position.
load
amount of gunpowder in the cartridge or shot shell together with the weight of the bullet or shot charge
choke
the degree of narrowing at the muzzle end of the shotgun barrel
slight alignment
the process flinging up rear and front sights