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Light Side 319 > Vocab > Flashcards

Vocab Flashcards

1
Q

Types of Sights

A

Fixed
Adjustable
Battle sight

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2
Q

Define choke

A

Tapered constrition of the barrels bore at the muzzle end.

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3
Q

Components of a shotgun shell

A 
Crimp
Case
Shot inside
Wad 
Powder
Brass head
Primer
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4
Q

List the types of feeding mechanisms

A

Magazines (Box, pan, and drum)
Belts
Clips (En bloc, stripper)

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5
Q

List the types of belts

A

SLD MLB, SLND MLB

FED MLB, FEND MLB

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6
Q

Name the types of cartridges

A

Rimmed, semi-rimmed, rimless, belted, and rebated

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7
Q

Name the types of firing pins

A 
Free floating
Inertia
Percussion
Striker
Fixed
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8
Q

List the types of bullet shapes

A

Spitzer
Round
Flat base

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9
Q

Name the types of primers

A

Boxer and berdan

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10
Q

List the types of locking systems

A 
Rotating bolt
Rising/ Lowering bolt
Roller
Rising barrel
Locking flaps
Swinging bolt
Locking block
Rotating barrel
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11
Q

List the types of operating systems

A 
Blowback
Delayed blowback
Gas Operation (Gas blast, direct, and tappet)
Recoil with gas assist
Recoil
Revolving cylinder
Manual pump
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12
Q

Name the types of action recoils

A

Long action recoil
Short action recoil
Inertia action recoil

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13
Q

Define breechblock

A

A components that seals the breech and blocks gases from the fired cartridge from exiting to the rear of the chamber

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14
Q

Define compensator

A

A device attached to the muzzle of a weapon designed to allow gases following the bullet out of the muzzle to be deflected upward through slots in the top surface of the compensator

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15
Q

Define disconnector

A

A device incorporated into the action of a weapon which prevents the firing of more and one shot for one pull of the trigger or which prevents the weapon from being fired until the action if fully closed

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16
Q

Define ejector

A

A cam or projection inside the receiver against which the cartridge case strikes and is thrown clear of the mechanism after it has been drawn from the chamber by the extractor

17
Q

Define extractor

A

a component that engages the rim, or extractor groove of the cartridge case while the cartridge is in the chamber.

18
Q

Flash suppressor (Flash hider)

A

a three or four pronged device attached to the muzzle of a weapon designed to cool hot gases as it leaves the muzzle behind the round, cooling the gases reduces the flash
(Duckbill, birdcage)

19
Q

Define headspace

A

The distance from the breechblock to that part of the chamber which stops the forward movement of the cartridge case

20
Q

Fluted Chamber

A

Leaves horizontal burn marks on spent cartridge case produced by the gases that cycle the weapon and aid in extraction by floating the cartridge case

21
Q

Define muzzle brake

A

A device at the muzzle end of the weapon which deflects the emerging powder gases. The energy imparted by this act of deflection pulls the weapon forward to offset some of the rearward motion of recoil

22
Q

Define muzzle flash

A

The incandescent flash in the air at the muzzle of the weapon which occurred when the bullet leaves the barrel

23
Q

Define rifling

A

A series of spiral grooves in the bore of the a barrel which imparts a spinning motion to the bullet as it travels the length of the barrel from the breech to the muzzle

24
Q

Define sear

A

A component retained under spring tension that when releases, usually by a trigger, either a hammer, bolt, or firing pin

25
Q

Define trigger

A

A finger actuated lever used to activate the firing mechanism firing the weapon

26
Q

Define trigger bar

A

A connecting bar operating between the trigger and the sear

27
Q

Name the types of trajectory branches

A

Rising branch, maximum ordinate, and falling branch

28
Q

Name the types of ballistics

A

Internal, external, and terminal

29
Q

Define battle sight

A

The range that allows you to hit a target between the throat and the waist without a single adjustment

30
Q

Define caliber

A

The distance across the bore from land to land expressed in hundredths of an inch

31
Q

Locking lugs

A

Carefully machined protuberances on the bolt that engage recesses in a non-moving component in the receiver to assist in securely sealing the breech during the initial moment of firing

Light Side 319 (6 decks)

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