Small Arms Terminology Flashcards
Accelerator
A device that operates during the rearward movement of the recoiling parts to increase the speed at which certain parts move.
In general, when the rate of movement of the bolt or breechblock is increased, the rate of fire is increased.
Automatic
A weapon in which the first round is manually positioned in the chamber, or to be chambered, after the first round is fired, the empty cartridge is ejected and a new round is chambered and fired. The action continues until the trigger is released or the ammunition is expended.
Semi-Automatic
(Autoloading) A weapon in which the first round is manually positioned in the chamber, or to be chambered. After the first round is fired, the casing is extracted and ejected and a new round is chambered, leaving the hammer or firing assembly in the cocked position for the next round. The trigger must be released after each shot and pressure reapplied to fire the next round.
Ballistics
The science and study of the motion and impact of projectiles.
What are the three types of Ballistics
Internal Ballistics
External Ballistics
Terminal Ballistics
Internal Ballistics
The science of projectile motion within a firearm.
It is most simply all that happens within a firearm from the instant the primer ignites until the bullet leaves the barrel.
External Ballistics
Concerns the path of the bullet from the muzzle to the target.
Terminal Ballistics
Concerns what happens to the bullet after it hits the target and what the bullet actually does to the target upon impact.
Battle Sight
The range that allows you to hit the target between the throat and waist without sight adjustment. Exact range varies with caliber of weapon.
Barrel
The portion of a weapon through which a projectile is propelled by action of the gases generated by the burning propellant charge.
