Chapter 11 Small Arms Weapons

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Christopher Poole
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1 Review Questions Chapter 11 Small Arms Weapons 1. On an M16 rifle, where is the magazine release button located? 1. Right side of the weapon, top front of the trigger guard 2. Right side of the weapon, bottom front of the trigger guard 3. Left side of the weapon, top front of the trigger guard 4. Left side of the weapon, bottom front of the trigger guard 2. On an M16 rifle, what action must be taken to remove the magazine? 1. Clear the chamber. 2. Pull out the magazine. 3. Depress the magazine release button. 4. Position the selector lever to SAFE. 3. On the M16 rifle, what actions must be taken to lock the bolt open? 1. Pull out the charging handle latch with the right hand when the bolt is fully rearward and allow it to lock the bolt open. 2. Depress the charging handle with the left hand when the bolt is fully rearward, then allow it to lock the bolt. 3. Pull out the catch when the bolt is fully rearward with the thumb and forefinger of the left hand until it locks the bolt. 4. Press the bottom of the bolt catch with the thumb or forefinger of the left hand when the bolt is fully rearward until it engages the bolt catch. 4. During assembly/disassembly of an M16, damage to what component is prevented by switching the selector to SAFE? 1. The automatic sear 2. The bolt carrier group 3. The trigger mechanism 4. The upper receiver assembly 5. A Seabee is authorized to disassemble an M16 to what level? 1. Detailed 2. Modified detailed 3. Field 4. Modified field 6. On an M16 rifle, where is the takedown pin located? 1. Behind the pistol grip, on the right side of the weapon 2. In front of the pistol grip, on the right side of the weapon 3. Behind the pistol grip, on the left side of the weapon 4. In front of the pistol grip, on the left side of the weapon

2 7. While field stripping an M16 rifle, what item(s) should NOT be removed by the Seabee? 1. Extractor spring 2. Takedown pin only 3. Receiver pivot pin only 4. Takedown pin and receiver pivot pin 8. What is the first step in assembling an M16 rifle? 1. Insert the assembly spring into the lower receiver extension. 2. Assemble the bolt carrier group. 3. Replace the handguards. 4. Make a functional check of the rifle. 9. What condition occurs when you overload the magazine used in an M16 rifle? 1. A runaway rifle 2. Bolt gets locked to the rear when loaded 3. Lips of the magazine become deformed 4. Spring becomes worn out early 10. What steps should you take to ensure positive retention of the magazine in an M16 rifle? 1. Rap the magazine sharply with the heel of your hand. 2. Hold in the magazine release button while inserting the magazine. 3. Push the magazine in a forward direction until a click is heard. 4. Insert the magazine while pulling back on the charging handle. 11. When firing an M16, what is a stoppage? 1. All rounds in the magazine have been expended. 2. Half of the rounds in the magazine have been expended. 3. There is an unintentional interruption in the cycle of functioning operation. 4. The shooter has temporarily suspended firing. 12. What tip color(s) identify a tracer round? 1. Orange only 2. Red only 3. Orange or red 4. Violet 13. Why should ammunition magazines be kept dry at all times? 1. To prevent corrosion 2. To prevent misfiring 3. To prevent the spring from breaking 4. To prevent the primer from malfunctioning

3 14. How many yards is the maximum effective range of the M9 service pistol? When installing the slide group on an M9 service pistol, you must have the safety lock in what position? 1. SEMI 2. FULL 3. FIRE 4. SAFE 16. While the M9 service pistol is disassembled, what part will be damaged if the hammer is allowed to fall? 1. Barrel 2. Receiver 3. Firing block 4. Decocking lever 17. What cartridge is used in the M9 service pistol? 1. 9x19mm 2. 9x9mm 3. 19x11mm 4. 19x19mm 18. What assembly of the Mossberg 500 shotgun houses the cartridge ejector and serves as the support for all major groups and assemblies? 1. Stock 2. Receiver 3. Barrel 4. Fore-end 19. What is the maximum effective range, in feet, of the Mossberg 500 shotgun using #00 Buck ammunition?

4 20. When cleaning the barrel bore of the shotgun, brush the chamber and bore from the end of the barrel. 1. chamber 2. front 3. top 4. front or back 21. What is the first step you should take when performing a safety/function check of a Mossberg 500 shotgun? 1. Move the safety button to the on position. 2. Clear the shotgun. 3. Put safety in off. 4. Pull the trigger. 22. When unloading the shotgun, what part should be depressed to release a round from the magazine tube? 1. Ejection port 2. Fore-end 3. Cartridge stop 4. Action lock lever 23. What is the size, in millimeters, of an M203 grenade launcher round? The leaf sight on an M203 grenade launcher allows the shooter to select (a) what range, and in (b) what increments, in meters? 1. (a) 100 to 350 (b) (a) 75 to 300 (b) (a) 50 to 250 (b) (a) 25 to 200 (b) In what portion of an M203 grenade launcher are the components located that serve to fire or prevent accidental firing? 1. Barrel and barrel latch 2. Receiver assembly 3. Barrel stop 4. Bolt and bolt housing

5 26. What procedure must be followed before clearing an M203 grenade launcher? 1. Remove all live rounds from around the weapon. 2. Remove any rounds or other obstruction. 3. Clear the area of all personnel not needed to clear the weapon. 4. Point the muzzle clear of all personnel within the area. 27. When using an M203 grenade launcher, you should NOT engage targets within what radius, in meters, of unprotected, friendly troops? What is a grenade launcher stoppage? 1. Any interruption in setting the launcher in position 2. Any interruption in the cycle of operation caused by the weapon 3. Any interruption in the cycle of operation caused by the operator 4. Any interruption in the aiming of the launcher 29. What standard A type(s) of ammunition is/are used with the grenade launcher? 1. HE only 2. HE airburst, HE smokeless, and flashless only 3. HE, HE airburst, smokeless, flashless, and HEDP only 4. TP, HE, HE airburst, smokeless, flashless, and HEDP 30. What action must be prevented when firing canopy smoke cartridges? 1. Giving away position 2. Causing smoke inhalation 3. Ignited projectiles from falling upon friendly troops 4. Extremely explosive charges from going off prematurely

OPERATION AND FUNCTION

CHAPTER 3 OPERATION AND FUNCTION This chapter discusses the operation of the M249 automatic rifle. This includes loading, unloading, cycle of functioning, adjusting the sight, and using the bipod. 3-1.