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Questions and Answers
Which of the following best describes the primary function of the 'windage knob' on an M14 rifle?
Which of the following best describes the primary function of the 'windage knob' on an M14 rifle?
- Adjusting the rifle's elevation for long-range shots.
- Modifying the trigger pull weight for improved accuracy.
- Correcting the bullet's trajectory for wind drift by moving the rear sight left or right. (correct)
- Changing the size of the target aperture on the rear sight.
During the cycle of functioning in an M14 rifle, which of the following describes the 'chambering' stage?
During the cycle of functioning in an M14 rifle, which of the following describes the 'chambering' stage?
- The cartridge is ignited, and the bullet is propelled down the barrel.
- The cartridge is moved into the firing chamber of the barrel. (correct)
- The bolt is securely locked in place, ready for firing.
- The empty cartridge case is extracted from the chamber.
What is the caliber of ammunition used by the M14 rifle, according to the provided content?
What is the caliber of ammunition used by the M14 rifle, according to the provided content?
- 7.62 x 39mm
- 7.62 x 51mm (correct)
- 9 x 19mm
- 5.56 x 45mm
Which of the following groups is NOT considered one of the three main groups of parts in an M14 rifle?
Which of the following groups is NOT considered one of the three main groups of parts in an M14 rifle?
What does the term 'cyclic rate of fire' refer to in the context of the M14 rifle?
What does the term 'cyclic rate of fire' refer to in the context of the M14 rifle?
What is the weight of an M14 rifle with a full magazine and cleaning equipment?
What is the weight of an M14 rifle with a full magazine and cleaning equipment?
What is the primary distinction between 'maximum range' and 'maximum effective range' in the context of the M14 rifle?
What is the primary distinction between 'maximum range' and 'maximum effective range' in the context of the M14 rifle?
Which of the following components is directly responsible for initiating the firing sequence in an M14 rifle?
Which of the following components is directly responsible for initiating the firing sequence in an M14 rifle?
What best describes the NATO standard for the 7.62 x 51mm ammunition?
What best describes the NATO standard for the 7.62 x 51mm ammunition?
What is the approximate length of the M14 rifle with the flash suppressor?
What is the approximate length of the M14 rifle with the flash suppressor?
In the context of the M14 rifle's operation, what mechanical action directly follows 'unlocking' in the cycle of functioning?
In the context of the M14 rifle's operation, what mechanical action directly follows 'unlocking' in the cycle of functioning?
What is the M1A rifle's maximum effective range when it is semi-automatic with a bi-pod?
What is the M1A rifle's maximum effective range when it is semi-automatic with a bi-pod?
Why was the 7.62 x 51mm NATO cartridge developed in the 1950s?
Why was the 7.62 x 51mm NATO cartridge developed in the 1950s?
Which part of the ammunition contains the explosive compound that is ignited by the firing pin?
Which part of the ammunition contains the explosive compound that is ignited by the firing pin?
Which term describes the process of pushing the hammer into a ready position for firing?
Which term describes the process of pushing the hammer into a ready position for firing?
What action defines the 'ejecting' stage in the operation of the M14 rifle?
What action defines the 'ejecting' stage in the operation of the M14 rifle?
What is the approximate muzzle velocity of the M14 rifle?
What is the approximate muzzle velocity of the M14 rifle?
What part of the M14 rifle directly impacts the primer of the cartridge during the 'firing' stage?
What part of the M14 rifle directly impacts the primer of the cartridge during the 'firing' stage?
Which of the following is the correct definition of the ‘maximum effective range’ of a weapon?
Which of the following is the correct definition of the ‘maximum effective range’ of a weapon?
What is the weight of the cleaning equipment required for the M14 Rifle?
What is the weight of the cleaning equipment required for the M14 Rifle?
Flashcards
What is the M14 Rifle?
What is the M14 Rifle?
A rifle chambered for the 7.62x51mm NATO cartridge.
General Description of the M14
General Description of the M14
Fed by a magazine, air-cooled, shoulder-fired, semi-automatic or automatic, and gas operated.
What are the 3 main groups of the M14 rifle?
What are the 3 main groups of the M14 rifle?
Barrel and receiver, firing mechanism, and stock.
What does the windage knob do?
What does the windage knob do?
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What does the elevation knob do?
What does the elevation knob do?
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What is Cyclic Rate of Fire?
What is Cyclic Rate of Fire?
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What is Maximum Range?
What is Maximum Range?
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What is Maximum Effective Range?
What is Maximum Effective Range?
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Weight of M14 with full magazine
Weight of M14 with full magazine
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Length of M14 with flash suppressor
Length of M14 with flash suppressor
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What is the flash suppressor?
What is the flash suppressor?
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Muzzle velocity of the M14
Muzzle velocity of the M14
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What is the cyclic rate of fire for the M14?
What is the cyclic rate of fire for the M14?
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Maximum effective range of the M14 (semi-automatic w/o bi-pod)
Maximum effective range of the M14 (semi-automatic w/o bi-pod)
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Maximum effective range of the M14 (semi-automatic w/ bi-pod)
Maximum effective range of the M14 (semi-automatic w/ bi-pod)
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Maximum range of the M14
Maximum range of the M14
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What is the 7.62 x 51mm NATO round?
What is the 7.62 x 51mm NATO round?
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What are the 8 cycles of functioning?
What are the 8 cycles of functioning?
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What is Feeding?
What is Feeding?
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What is Chambering?
What is Chambering?
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Study Notes
- The M14 rifle is a 7.62mm weapon.
General Description
- The M14 is magazine fed.
- The M14 is air cooled.
- It is a shoulder weapon.
- It fires in semi-automatic mode.
- Also capable of fully automatic fire.
- The M14 is gas operated.
Main Components
- Barrel and receiver group
- Firing mechanism
- Stock group
Parts of the M14 Rifle
- Rear and front sights
- Windage and elevation knobs
- Handguard
- Flash suppressor
- Muzzle
- Operating rod
- Gas cylinder plug
- Magazine
- Gas cylinder
- Trigger with trigger guard
- Magazine well
- Butt plate
- Lower and upper swing swivels
Windage and Elevation Knobs
- The windage knob moves the rear sight from left to right.
- The elevation knob moves the rear sight up and down.
Terms
- Cyclic Rate of Fire: The maximum rate at which the weapon fires automatically.
- Maximum Range: The greatest distance the projectile can travel.
- Maximum Effective Range: The greatest distance at which a weapon can be expected to fire accurately to inflict casualties or damage.
General Data: Weight
- M14 with full magazine and cleaning equipment: 4.59 kg (10.1 lbs)
- M14 with full magazine, cleaning equipment, selector, and bi-pod: 5.38 kg (11.85 lbs)
- Empty magazine: 0.23 kg (0.5 lbs)
- Full magazine: 0.68 kg (1.5 lbs)
- Cleaning equipment: 0.27 kg (0.6 lbs)
General Data: Length
- M14 with flash suppressor: 112.5 cm (44.3 inches)
- Flash suppressor: 7.62 cm (3 inches)
- M14: 104.88 cm (41.3 inches)
General Data: Operational Characteristics
- Muzzle velocity: 854 meters/second (2,800 feet/second)
- Cyclic rate of fire: 750 rounds/minute (12.5 rounds/second)
General Data: Range
- Maximum effective range (semi-automatic without bi-pod): 460 meters
- Maximum effective range (semi-automatic with bi-pod): 700 meters
- Maximum effective range (automatic with bi-pod): 460 meters
- Maximum range: 3725 meters
Ammunition: 7.62 × 51mm NATO
- The official NATO nomenclature is 7.62 NATO.
- The 7.62 × 51mm NATO is a rimless, bottlenecked rifle cartridge.
- It was developed in the 1950s as a standard for small arms among NATO countries.
Parts of Ammunition
- Primer cap
Cycle of Functioning: 8 Cycles
- Feeding: Moving the cartridge into the path of the bolt.
- Chambering: Moving the cartridge into the chamber.
- Locking: Locking the bolt in the receiver.
- Firing: Driving the firing pin forward to strike the primer cap, which sets off the cartridge.
- Unlocking: Unlocking the bolt from the receiver.
- Extracting: Pulling the empty cartridge shell from the chamber.
- Ejecting: Throwing the empty cartridge shell from the rifle.
- Cocking: Pushing the hammer into the cocked position.
Firing Sequence
- Trigger pulls the hammer
- Hammer strikes the firing pin
- Firing pin hits the primer cap igniting propellant powder
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