Firearm Study Guide
Terms in this set (50)
The most important element of firearms training
The most common cause of firearms accidents
Open the firearm's action and physically and visually inspect it to make sure that it is not loaded.
Drawing The Firearm
Keep your trigger finger off the trigger and against the frame.
Addresses requirements for storing firearms safely
How The Revolver Works
When the trigger is squeezed, the cylinder unlocks and rotates, placing a live cartridge in line with the firing pin
Handing The Revolver To Another Person
With the barrel pointed in a safe direction, open the cylinder. Visually and physically inspect the cylinder to make sure it is not loaded. If it is loaded, unload the revolver and ensure that all rounds have been removed.
With two or three fingers through the top strap, hand the revolver to the other person, grip first.
Magazine Five Main Parts
• magazine insert
• floor plate
• magazine tube
Ensures that the weapon functions properly
How To Perform A Function Check
• Press the trigger and hold it to the rear.
• Cycle the slide and slowly release pressure of the trigger until the trigger resets; you should hear a click and feel the reset on the trigger
Handing The Semiautomatic Pistol To Another Person
With the slide locked to the rear and the magazine well empty, hand the semiautomatic pistol to the other person grip first.
Smooth bore gun designed for firing at short distances
Placing live rounds in the magazine tube or open ejection port
Removing a round from the magazine tube and placing it in the barrel's chamber by cycling the weapon, or after placing a round in the open ejection port, pushing the slide forward.
Handing The Shotgun To Another Person
Place the safety in the on, or engaged, position. Make sure the fore-end is to the rear and the ejection port is open. Hand to the other person in the port arms stance.
Magazine Well (AR-15)
Housing for the magazine
There is a hollow cavity in the bullets nose that creates expansion when a target is struck, creating more damage.
Most Common Duty Round
Measurement used to identify different cartridge (projectile) sizes. It is determined by measuring the diameter of the bore of the firearm.
The standard 2 3/4-inch shell contains nine .33 caliber lead pellets.
Most Common Duty Round
Single, hollow lead bullet
Indentation in the case that may weaken the case wall; makes a layer of the case wall metal look as if it has been scratched or torn away.
Dimple or depression in the case; the case looks like someone struck it with a hard object, crushing part of it inward.
Layering of the case with oxidation or foreign material, such as mold, fungi layers, congealed oil, and lubricants.
Actual tear, detachment, or rip that looks like an opening in the case body
The recommended time (normally expressed in months) for which you can expect ammunition to be reliable when used on duty.
The recommended time (normally expressed in years) for which you can expect ammunition to be reliable from manufacture time to issue time.
Solvents and Lubricants
May cause a failure to fire malfunction
The relationship of the front sight and rear sight with the shooter's eye(s). It occurs when the top of the front sight is level with the rear sight's top edge and centered in the rear sight aperture or notch.
Center the top of the front sight horizontally and vertically in the rear aperture or notch.
The relationship between the eye, front sight, rear sight, and target.
Focus on the front sight. (The target will be blurry)
Improper Trigger Control
Causes more misses than any other action in the firing process
Maintaining sight alignment before, during, and after firing a round. You must maintain proper grip, stance, and finger placement on the trigger.
Stand with your feet approximately shoulder-width apart.
Stand with your head and shoulders square to the target, body weight forward, arms locked out.
Stand at a 45-degree angle to the target, with your feet shoulder width apart.
Your weapon-side foot is to the rear. Support arm bent is bent at the elbow.
Modified Weaver Stance
Similar to the Weaver Stance except the weapon arm is locked out straight.
Hip Shooting Stance
When you are within arm's reach (three to four feet away) of a subject, use the hip shooting stance.
The flashlight is held in the support hand with the illuminating end projecting from the index finger side of the hand.
The thumb controls the on/off switch with a side-mounted switch near the front of the flashlight.
"Law Enforcement" or "Tactical" Grip
The flashlight is held in the support hand with the illuminating end projecting from the little finger on the left side.
This grip is used with a small (4-6 inch) flashlight with a rear switch and a ring around the grip to give the index and middle fingers a hold.
Low Ready Position
A position of readiness that allows the officer to immediately begin firing the shotgun or to take appropriate action and is used in the standing or kneeling positions
Holster A Handgun Properly
Use the thumb of your shooting hand on the rear of the slide to prevent the slide from moving to the rear while holstering.
"Thumb on the back of the slide and holster"
Moving To Cover
Never change your cover just for the sake of change. Select your next position before you move. Move closer only to gain a tactical advantage. Move using concealment.
Clearance Immediate Action Drill
Double Feed & Stacked Feed
If the officer's shotgun malfunctions in the field:
Immediately switch to your handgun
During a deadly force encounter, transition to a:
Secondary weapon or retreat. Immediately move to cover, if available. If an officer's rifle malfunctions, he or she should immediately switch to a handgun.
Semi Auto Pistol Cleaning
Observe the manufactures guidelines
Take the barrel off the weapon
When you finish cleaning and lubricating your gun:
Reassemble & Perform a Function Check
Scan the area for possible problems
Assessing a situation or subject depends on your observation skills, including the ability to recognize hazardous areas and potential weapons and identify areas that provide cover or concealment.
Use these to identify yourself and direct the subject