M16A3/M4A1 Service Rifle Test Prep
2026
What caliber is the M16A3/M4A1 service rifle? - answer-5.56 mm
What the maximum effective range of the M16A3 service rifle? - answer-550 m (602 yards)
A safety function should be performed when? - answer-Anytime rifle is reassembled.
What is the muzzle velocity of the M16A3 service rifle? - answer-3,100 fps (945 mps)
Which stoppage is associated with a lower report or reduced recoil? - answer-Audible
pop/reduced
recoil
Between the M4A1 and the M16A3, which has the greater maximum effective range? -
answer-M16A3
Which type of stoppage usually occurs as a result of not seating the magazine? - answer-
Double-feed
What is "Danger"? - answer-An operating or maintenance procedure, practice, condition,
statement,
etc., which if not strictly observed, WILL result in serious injury to, or death to personnel, or
threatens
the primary mission of the ship.
What the maximum effective range of the M16A3 service rifle in meters? - answer-550
meters
The remedial action steps below would be used to fix which stoppage?
1. Press the magazine catch release, remove the empty magazine, and stow it on person if
time permits.
2. Insert a filled magazine into the magazine well and tug downward on the magazine to
ensure it is
properly seated.
, 3. Pull the charging handle to the rear and then release it to allow the bolt to move forward
and
chamber a round.
4. Sight in and attempt to fire. - answer-Bolt locked to the rear.
What common stoppage is characterized by a double feed? - answer-Brass is obstructing the
chamber
area.
What the maximum effective range of the M4A1 service rifle in meters? - answer-500
meters
A clearing barrel provide a safe direction in which to point a weapon when performing all of
the
following "load, unload, unload show clear, make ready" except? - answer-Make ready
What are the magazine capacities for the M16A3/M4A1 service rifle in meters? - answer-20
or 30
rounds.
Which sling arms transport method is used primarily during periods of inclement weather
to keep
moisture out of the bore of the rifle? - answer-Weak Side Sling Arms Transport (Muzzle
Down)
Which major component group consists of the cartridge extractor, ejector and firing pin? -
answer-Bolt
Carrier Assembly
Which major component group consists of the ejection port cover, and the housing of the
bolt carrier
key? - answer-The upper receiver assembly
Which major component group holds cartridges ready for feeding and provides a guide
positioning for
cartridges for stripping? - answer-Magazine group assembly
Which component houses the action spring, the buffer assembly, and the extension
assembly? - answer-
Buttstock
What position is the selector lever in if the trigger is pulled and the hammer does not fall? -
answer-Safe
2026
What caliber is the M16A3/M4A1 service rifle? - answer-5.56 mm
What the maximum effective range of the M16A3 service rifle? - answer-550 m (602 yards)
A safety function should be performed when? - answer-Anytime rifle is reassembled.
What is the muzzle velocity of the M16A3 service rifle? - answer-3,100 fps (945 mps)
Which stoppage is associated with a lower report or reduced recoil? - answer-Audible
pop/reduced
recoil
Between the M4A1 and the M16A3, which has the greater maximum effective range? -
answer-M16A3
Which type of stoppage usually occurs as a result of not seating the magazine? - answer-
Double-feed
What is "Danger"? - answer-An operating or maintenance procedure, practice, condition,
statement,
etc., which if not strictly observed, WILL result in serious injury to, or death to personnel, or
threatens
the primary mission of the ship.
What the maximum effective range of the M16A3 service rifle in meters? - answer-550
meters
The remedial action steps below would be used to fix which stoppage?
1. Press the magazine catch release, remove the empty magazine, and stow it on person if
time permits.
2. Insert a filled magazine into the magazine well and tug downward on the magazine to
ensure it is
properly seated.
, 3. Pull the charging handle to the rear and then release it to allow the bolt to move forward
and
chamber a round.
4. Sight in and attempt to fire. - answer-Bolt locked to the rear.
What common stoppage is characterized by a double feed? - answer-Brass is obstructing the
chamber
area.
What the maximum effective range of the M4A1 service rifle in meters? - answer-500
meters
A clearing barrel provide a safe direction in which to point a weapon when performing all of
the
following "load, unload, unload show clear, make ready" except? - answer-Make ready
What are the magazine capacities for the M16A3/M4A1 service rifle in meters? - answer-20
or 30
rounds.
Which sling arms transport method is used primarily during periods of inclement weather
to keep
moisture out of the bore of the rifle? - answer-Weak Side Sling Arms Transport (Muzzle
Down)
Which major component group consists of the cartridge extractor, ejector and firing pin? -
answer-Bolt
Carrier Assembly
Which major component group consists of the ejection port cover, and the housing of the
bolt carrier
key? - answer-The upper receiver assembly
Which major component group holds cartridges ready for feeding and provides a guide
positioning for
cartridges for stripping? - answer-Magazine group assembly
Which component houses the action spring, the buffer assembly, and the extension
assembly? - answer-
Buttstock
What position is the selector lever in if the trigger is pulled and the hammer does not fall? -
answer-Safe
