CENSECFOR Operator Training - M16A3/M4A1 Service Rifle 119 Exam Questions with 100% Correct Answers What caliber is the M16A3/M4A1 service rifle? - ✔✔5.56 mm Which of the below statements best describes weapons condition code 4? - ✔✔Safety on, magazine removed, chamber empty, bolt forward, ejection port cover closed. What is the maximum effective range of the M16A3 service rifle? - ✔✔1804 ft. (550 m ) Which major component group of the M16A3 service rifle consist of the ejection port, the ejection port cover, and the housing for the bolt carrier key? - ✔✔Upper Receiver Assembly A safety function should be performed when? - ✔✔Anytime rifle is reassembled . Safety Rule 1 - ✔✔Treat every weapon as if it were loaded. Safety Rule 2 - ✔✔Never point a weapon at anything you do not intend to shoot. Safety Rule 3 - ✔✔Keep your finger straight and off the trigger until ready to fire . Safety Rule 4 - ✔✔Keep the weapon on safe until you intend to fire. What is the muzzle velocity of the M16A3 service rifle? - ✔✔3,100 fps (945 mps) Which stoppage is associated with a lower report or reduced recoil? - ✔✔Audible pop and reduced recoil caused by "Only a portion of the propellant is ignited." Which weapon (M4A1 / M16A3) has the greater maximum effective range? - ✔✔M16A3 Which type of stoppage usually occurs as a result of not seating the magazine? - ✔✔Bolt Forward What is "Danger"? - ✔✔An operating or maintenance procedure, practice, condition, statement, etc., which if not strictly observed, WILL result in serious injur y to, or death to personnel, or threatens the primary mission of the ship. The remedial action steps below would be used to fix which stoppage? Press the magazine catch release, remove the empty magazine, and stow it on person if time permits. Insert a filled magazine into the magazine well and tug downward on the magazine to ensure it is properly seated. Pull the charging handle to the rear and then release it to allow the bolt to move forward and chamber a round. Sight in and attempt to fire . - ✔✔Bolt locked to the rear. What common stoppage is characterized by a double feed? - ✔✔Brass is obstructing the chamber area. What is the first step in the clearing barrel LOAD procedure? - ✔✔Attempt to place the selector lever in the SAFE position. 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? - ✔✔Make ready What are the magazine capacities for the M16A3/M4A1 service rifle in meters? - ✔✔20 or 30 rounds. What component is the arrow pointing at in the image? - ✔✔The metal spring -loaded flap that is over the opening where the spent brass comes out of is the "Ejection Port Cover" Which sling arms transport method is used primarily during periods of inclement weather to keep moisture out of the bore of the rifle? - ✔✔Weak Side Sling Arms Transport (Muzzle Down) Which major component group consists of the cartridge extractor, ejector and firing pin? - ✔✔Bolt Carrier Assembly Which major c omponent group consists of the ejection port cover, and the housing of the bolt carrier key? - ✔✔The upper receiver assembly Which major component group holds cartridges ready for feeding and provides a guide positioning for cartridges for stripping? - ✔✔Magazine group assembly Which component houses the action spring, the buffer assembly, and the extension assembly? - ✔✔Buttst ock What position is the selector lever in if the trigger is pulled and the hammer does not fall? - ✔✔Safe What is "Warning"? - ✔✔An operating or maintenance procedure, practice, condition, statement, etc., which if not strictly observed, could result in injury, or death of personnel. What is "Caution"? - ✔✔An operating or maintenance procedure, practice, condition, statement, etc., which if not strictly observed, could result in damage to, or destruction of equipment or loss of mission effectiveness. What is "Note"? - ✔✔An operating or maintenance procedure, practice, condition that is essential to highlight. Proper weapon handling is whose responsibility? - ✔✔The person in control of the weapon. Pointing or aiming a functional weapon at any person or thing is unlawful except when? - ✔✔Performance of duty.
