44 Questions
What is the aim of lesson 9 on the mechanism of the weapon, immediate action, and stoppages?
To teach how to recognize and remedy weapon malfunctions
How long is the recommended duration for covering the mechanism of the weapon, immediate action, and stoppages in one training session?
Two 40-minute periods
What is the purpose of laying out drill rounds as part of the preparation for lesson 9?
For demonstrating weapon malfunctions
Where can further information concerning the mechanism be found?
In the Army Equipment Support Publications (AESP)
What is recommended to impress upon the cadets during suitable opportunities in lesson 9?
The dangers of unauthorized modifications to the rifle
What should the squad do after completing any stoppage drill as taught in lesson 9?
Test and adjust position, aim and fire as taught
What is the principal cause of stoppages in the weapon, according to the text?
Inadequate lubrication
What should be done to prevent the bolt carrier assembly being held to the rear when cocking the weapon with an empty magazine fitted?
Fit magazines with depressors
Which part helps in diverting gas into the gas cylinder, according to the text?
Gas plug
What is the purpose of the buffer assembly in the weapon's operation?
To drive the carrier and bolt forward
What part of the weapon is rotated to lock into the barrel extension during forward action?
Bolt
What is the immediate action (IA) that should be carried out if the weapon fails to fire or stops firing?
Put the safety catch to Safe (S)
What is used to hold open the working parts of the weapon after firing the last round?
Holding Open Catch
What is a sign of a stoppage during empty magazine drills, as per the text?
Failure to cock the rifle after a dry shot is fired
What should the squad do if the rifle stops firing and the cocking handle is fully to the rear, the magazine is empty, and the body and chamber are clear?
Change the magazine, operate the bolt release catch, tap forward on the cocking handle, test and adjust, and continue firing
What action should be taken if an obstruction in the chamber cannot be removed during the initial remedial action?
Inform an CFAV immediately, making sure that the safety catch is on Safe (S), raising their hand and calling for assistance
What should be done if there is an obstruction in the body or chamber after carrying out the initial action drill?
Remove the magazine and attempt to shake the obstruction clear; if it cannot be cleared, inform a CFAV
What is important to remember about rounds involved in a stoppage?
They are not to be loaded into a magazine, nor any attempt is made to fire them
What must be done if there are rounds in the magazine and the chamber and body are clear?
Change the magazine, operate the bolt release catch, tap forward on the cocking handle, test and adjust, and continue firing
What is the recommended duration for covering the mechanism of the weapon, immediate action, and stoppages in one training session?
Two 40-minute periods
What must be done if there are rounds in the magazine and the chamber and body are clear?
Carrying out further inspection
What action should be taken if an obstruction in the chamber cannot be removed during the initial remedial action?
Carrying out further inspection
What part helps in diverting gas into the gas cylinder, according to the text?
Gas port
What is used to hold open the working parts of the weapon after firing the last round?
Bolt stop assembly
What is the principal cause of stoppages in the weapon, according to the text?
Excessive gas pressure or carbon fouling in gas system
What is the purpose of laying out drill rounds as part of the preparation for lesson 9?
To familiarize cadets with the symptoms of stoppages
What should the squad do if the rifle stops firing and the cocking handle is fully to the rear, the magazine is empty, and the body and chamber are clear?
Engage in immediate action (IA) drills
What action should be taken if an obstruction in the chamber cannot be removed during the initial remedial action?
Unload all ammunition and seek assistance from a supervisor
Where can further information concerning the mechanism be found?
Within the handling instructions specifically for MOD Cadet Forces
What is recommended to impress upon the cadets during suitable opportunities in lesson 9?
The significance of immediate action (IA) drills
What is used to hold open the working parts of the weapon after firing the last round?
Holding open catch
What must be done if there are rounds in the magazine and the chamber and body are clear?
Engage in immediate action (IA) drills
What is important to remember about rounds involved in a stoppage?
They must be inspected for signs of damage or deformation
'What part of the weapon is rotated to lock into the barrel extension during forward action?
'The cam stud'
What should be done if there is an obstruction in the body or chamber after carrying out the initial action drill?
Unloading all ammunition and seeking assistance from a supervisor
What should be done to prevent the bolt carrier assembly being held to the rear when cocking the weapon with an empty magazine fitted?
Use magazines fitted with depressors during stoppage drills
During the IA drill, if the rifle fails to fire and the cocking handle is fully forward, what action should be taken next?
Put the safety catch to Safe (S), tilt the weapon slightly to the right, cock the weapon, apply the holding open catch, and look into the body and chamber.
What should be done if there is an obstruction in the body or chamber after carrying out the initial action drill?
Remove the magazine and attempt to shake the obstruction clear. If it cannot be cleared, inform a CFAV.
What is the correct immediate action (IA) if a cadet encounters a loose magazine during firing?
Change the magazine, operate the bolt release catch, tap forward on the cocking handle, test and adjust, put the safety catch to Fire (F), and continue firing at the rate ordered.
If a cadet discovers that their rifle stops firing due to an empty magazine with a clear body and chamber, what should they do?
Change the magazine, operate the bolt release catch, tap forward on the cocking handle, test and adjust, put the safety catch to Fire (F), and continue firing at the rate ordered.
What is emphasized as important during suitable opportunities in lesson 9's training?
The need to test and adjust position after any stoppage and before continuing firing.
When should a cadet take no further action themselves and inform a CFAV immediately?
If there are repeated obstructions in the chamber or if the weapon is hard to cock after carrying out an initial remedial action.
What action should be taken if an obstruction in the chamber cannot be removed during initial remedial action?
(1) Unload weapon. Do not operate trigger or close dust cover. Remove TMH, bolt, and bolt carrier. (2) Inspect extractor, ejector, retaining pins, firing pin protrusion, and chamber. (3) Tools taken from maintenance kit must be returned as soon as possible. (4) Lubricate liberally using barrel extension cleaner on locking splines.
What should be done if any round involved in a stoppage is found damaged or suspected to be damaged?
Return it to ammunition compound by a CFAV for disposal.
Learn about the mechanism of the 4-84 rifle, immediate action, and stoppages with this instructional lesson. Understand how the weapon operates and how to recognize and remedy stoppages. Suitable for MOD Cadet Forces use.
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