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| What is a Sabot Round? |
A smaller projectile being shot out of a larger caliber |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| How are shotgun cartridges measured |
The number of lead balls of a certain diameter that make up a pound of that size |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| How do civilians measure a round |
Distance of the bore, from land to land, expressed in hundreths of an inch |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| How does the Military measure a round |
Diameter of the bullet x the length of the cartridge case expressed in millimeters |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the types of Bullets |
Round nose and Schpitzer Tip
Flat base and Boat tail |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What doe the carridge consist of |
Bullet
Powder
Primer |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| Types of Cartridge cases |
Rimmed
Semi-Rimmed
Rimless (same diamter than the cartridge)
Belted
Rebated (Less diameter than the cartridge) |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| Explain cartidge case composition and types |
Brass wich is 70% copper and 30% zinc, which is the best
other types are steel, Plastic, and aluminum |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| Explain center fire and rim fire |
Center fire is where the primer is located and struck in the center of the cartridge case in order to ignite
Rim fired is where the rim of the cartridge case is struck in order to ignite |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the two types of primers |
Boxer - British made, American used- one flash hole, anvil is built in to the primer
Berdan_ American made, everywhere else used, two flash holes, |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| Three types of magazines |
Pan
Box
Drum |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the three types of feeding mechanisms |
Magazines
Belts
Clips |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is a battle sight |
A pre set range that enables the shooter to hit the target between the throat and the waist without making adjustments |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the three types of sights |
Fixed sights
Adjustable sights
(Battle sight) |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the three types of recoil |
long
short
inertia |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the three types of gas operation |
Gas blast
Gas direct
Gas tappet |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the 8 operating systems |
bolt actiong
blockback
delayed blowback
recoil
recoil with gas assist
Gas operated
manual pump
revolving cylinder |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are 7 types of locking systems |
rotating bolt
rising and lowering bolt
roller
rising barrel
locking flaps
swinging bolt
locking block |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is cocking |
The act of the bolt group/slide moving and resetting the hammer or cocking lever |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is extracting |
the forced removal of the cartridge case from the chamber by the extractor/bolt face as the bolt carrier group is moved reaerward |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is ejecting |
th act of the cartridge case being removed from the bolt face by a tang of metal or spring loaded plunger |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is unlocking |
The action of the bolt group moving rearward activating the weapons locking system and allowing reaerward movement of the bolt group |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is firing |
The action of the trigger being squeezed with the hammer cocked and the weapon being off safe with a round in the chamber and the hammer hitting the firing pin which in turn strikes the primer on the cartridge case, igniting, and sending a projectile through the bore and out of the weapon system |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is locking |
The action of the weapons locking system physically locking the projectile into the chamber sealing it off and enabling the weapon to fire |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is chambering |
The act of the bolt pushing the nose of the round into the chamber |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is Feeding |
Thee process of moving the round from the source of feed- to the chamber |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the 8 cycles of function |
Feeding
Chambering
Locking
Firing
Unlocking
Ejecting
Extracting
Cocking |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the types of firing |
Single action
Double Action
Semi auto only
Auto only
Selective fire |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is a gun target line? |
An imaginary line from the weapons position to the target |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the three phases of trajectory |
Rising branch
Maximum ordinate
Falling branch |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What is trajectory |
The path of flight of the projectile once it leaves the bore of the weapon |
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rfurloni375 Wed, 01 Jul 2009 00:01:30 GMT |
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| What are the three types of ballistics |
Internal :Everything that happens inside the weapon
External: Everything from when the projectile leaves the barrell and its flight in the air
Terminal: The Effect of the projectile on the target |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What are the 5 types of FIRING PINS |
Free floating
Interia
Percussion
Striker
Fixed |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is the Sear, and the three components that it operates |
The sear is a component operated by the trigger which enables the weapon to fire by manipulating one of three parts. The bolt, firing pin, or hammer |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is a disconnector |
A device the prevents the weapon from shooting more than one round per pull of the triiger, and enables the weapon not to fire until the action is fully closed |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is an ejector |
A cam or other such piece that pushes the cartridge out of the weapons after the extractor has pulled the cartridge from the chamber |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is an extractor |
A piece in the weapon that grabs the rim or extractor groove of the case and pulls it from the chamber |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is polygonal rifling |
Rifling that instead of having "lands and gooves" has more of "hills and valleys" in polygonal shaping, lasts longer, more accurate, has less contact to the projectile, not supposed to use lead |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| How is rifling expressed |
ie: LH 1: 12, meaning 1 turn per 12 inches
look for 2, 4 , 6 |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is rifling |
The grooves in the bore of the rifle which spin the projectile and help provide beter accuracy |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is a fluted chamber |
When grooves are cut out of the chamber in order to eject the round as quickly as possible |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is muzzle break |
Deflects gasses so that the shooter cannot feel as much recoil |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is Headspace |
The Distance from the breech face to the chamber that stops the forward movement of the cartridge |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What is a breechblock |
Part that seals the breech in order to send the projectile downrange, it blocks gases from the cartridge |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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| What are the two reference materials |
STP-31-18b-34sm-tg
Janes Infantry Weapons |
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rfurloni375 Wed, 01 Jul 2009 00:01:29 GMT |
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