Handguns & Long Guns Flashcards
Define firearm.
Device with an action and barrel that uses the expansion of gas to propel a projectile down a barrel
The pull of the trigger causes this structure to release.
Hammer
What happens after the hammer strikes the primer?
A spark ignites the gunpowder, causing it to burn and create a lot of pressure
What happens after the bullet separates from the cartridge case and travels down the barrel?
The case will slam into the back of the firearm
Define recoil.
The force which drives a bullet forward is equaled by the force driving the case back
What are the 4 most important firearm safety rules?
1) Assume all firearms are loaded
2) Keep muzzle pointed in direction you deem safe
3) Keep finger off of trigger
4) If you don’t know what you’re doing, ask someone who does
How do crime guns differ from your own?
Crime guns are more likely to malfunction
What are 2 important firearm collection guidelines?
1) Never stick anything in the barrel to pick it up
2) Consider the safety policies on collecting loaded vs. unloaded firearms
Define revolver.
Handguns with a rotating cylinder, cartridges that can be fired in succession without being reloaded, and cases that do not eject
What are the 3 key parts of a revolver?
Cylinder, cylinder release, and ejector pin
What is the double action function?
Cocks and releases hammer
What is the first thing to do when collecting a double-action revolver (HINT: pointing)?
Point in a safe direction
In the second step of collecting a double-action revolver, what should you do to the cylinder next to the top strap?
Mark it
What should you do after marking the cylinder during double-action revolver collection?
Slowly lower the trigger if necessary
After lowering the trigger, what is the next step of double-action revolver collection?
Press the cylinder release and push the cylinder to the side
What should be done after pushing the cylinder release to the side in double-action revolver collection?
Photograph cylinder contents
What should you do after photographing the cylinder contents in double-action revolver collection?
Tilt the gun down and push the ejector rod halfway
What should you do with the contents of each chamber at the end of double-action revolver collection?
Remove them one chamber at a time and label each
Describe the function of single-action.
Releases the hammer
Describe how a top break revolver is opened.
By pulling up on the front sites and hinging open
Describe a black powder revolver.
Loaded with powder and a bullet from the front of the cylinder with a primer cap on the nipple at the back. Either single or double-action
Define pistol.
Handgun with chamber as part of the barrel, as is typical with semi-auto handguns
Define extractor.
Pulls case out of cylinder
Define ejector.
Pushes case out of chamber
Define rifle.
Firearm with rifled barrel designed to be fired from the shoulder
What are the 4 rifle actions?
1) Semi-auto
2) Full auto
3) Lever
4) Bolt
What is the difference between semi-auto and full auto?
Semi-auto requires one trigger pull per shot while full auto is continuous until trigger release or no more ammo
Both pistols and rifles can be full or semi-auto by… (HINT: 2 things)
Design or modification
What is the difference between a machine gun and an SMG?
The machine gun takes rifle-caliber ammo while the SMG takes handgun-caliber ammo
What steps does the full auto flowchart consist of?
Trigger pull > Ejected cartridge > Load new cartridge > Another round fired
Define shotgun.
Smooth bore shoulder firearm fired with shells containing pellets or a single projectile
What are the 3 shotgun actions?
1) Semi-auto
2) Pump
3) Break
What is the key characteristic of the pump-action shotgun?
Moveable forearm
What happens after the primer cap is struck?
Gunpowder is ignited, and gas expands
