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Weapons: Question #

127

Question:

What are the proper procedures for performing immediate action on the M2 .50 Cal?

If machine gun fails to fire, take the following action:

Wait 5 seconds; a hang fire may be causing the misfire. In the next 5 seconds, pull the bolt to the rear (check for ejection and feeding of belt), release it, re-lay on the target, and attempt to fire. If the bolt-latch release and trigger are depressed at the same time, the bolt goes forward and the weapon should fire automatically.
If the gun again fails to fire, wait another 5 seconds, pull the bolt to the rear (engage with the bolt latch if applicable), and return the retract ing slide handle to its forward position. Open the cover and remove the belted ammunition. Inspect the gun to determine the cause of stoppage.

A hang fire or cook off can cause injury to personnel or damage to the weapon. To avoid these, the gunner must take the following precautions:

Always keep the round locked in the chamber the first 5 seconds after a misfire occurs. This prevents an explosion outside of the gun in event of a hang fire.
If the barrel is hot, the round must be extracted within the next 5 seconds to prevent a cook off. When more than 150 rounds have been fired in a 2-minute period, the barrel is hot enough to produce a cook off.
If the barrel is hot and the round cannot be extracted within the 10 seconds, it must remain locked in the chamber for at least 5 minutes, to guard against a cook off.
Keep the gun cover closed during the waiting periods.

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Questions in this topic: Weapons

1 .: What Army Field Manual covers the M136 AT4?
2 .: What is the M136 AT4?
3 .: From which shoulder is the M136 AT4 fired?
4 .: What is the approximate length of the M136 AT4 Rocket?
5 .: What is the approximate weight of the M136 AT4 Rocket?
6 .: What is the length of the M136 AT4?
7 .: What is the maximum range of the M136 AT4?
8 .: What is the overall weight of the M136 AT4?
9 .: What is the maximum effective range of the M136 AT4?
10 .: What is the minimum target engagement range of the M136 AT4?
11 .: How many pre-fire checks are there for the M136 AT4 and what are they?
12 .: If you have a misfire with the M136 AT4, what should you do?
13 .: How large and what does the back-blast area of the M136 AT4 consist of?
14 .: What is the FM concerning the M16/A2 Rifle?
15 .: What is the first thing you should do when you handle a weapon?
16 .: Name the five phases in Basic Rifle Marksmanship.
17 .: What is the purpose of a weaponeer?
18 .: What are the four fundamentals of marksmanship?
19 .: During Preliminary Marksmanship Training (PMI), what are the only two positions taught?
20 .: What are the two basic elements of the Sight Picture?
21 .: What does the acronym SPORTS stand for?
22 .: What is remedial action?
23 .: Describe the proper procedures for applying remedial action with the M16/A2.
24 .: Describe the proper procedure for applying immediate action with the M16/A2.
25 .: Is SPORTS an Immediate or Remedial Action?
26 .: What is immediate action?
27 .: How many times should immediate action be applied to a weapon?
28 .: What is a malfunction?
29 .: Name the different categories of malfunctions on the M16/A2.
30 .: What is stoppage?

31 .: How do you clear a stoppage?
32 .: What is the definition of Maximum Effective Range?
33 .: What does CLP stand for?
34 .: Describe the M16/A2 Rifle.
35 .: What are the 7 types of ammunition that can be used with the M16/A2 Rifle?
36 .: What are the four steps required in order to mechanically zero the M16/A2?
37 .: What are the steps required in order to battlesight zero the M16/A2?
38 .: Describe the weights of the M16/A2 Rifle.
39 .: Describe the max effective rates of fire for the M16/A2 Rifle.
40 .: What is the muzzle velocity of the M16/A2 Rifle?
41 .: Describe the ranges for the M16/A2 Rifle.
42 .: Describe the Barrel Rifling for the M16/A2 Rifle.
43 .: What is the basic load of ammunition for the M16/A2 Rifle?
44 .: The elevation knob adjusts the point of aim for the M16A2 Rifle how much?
45 .: What is the overall length of the M16/A2 Rifle?
46 .: What are the 8 steps in the functioning of the M16/A2 rifle?
47 .: Describe the procedures for clearing the M16/A2 Rifle.
48 .: How do you perform a functions check on the M16/A2 Rifle?
49 .: What is the FM concerning the M4 Rifle?
50 .: What is the first thing you should do when you handle a weapon?
51 .: Name the five phases in Basic Rifle Marksmanship.
52 .: What is the purpose of a weaponeer?
53 .: What are the four fundamentals of marksmanship?
54 .: During Preliminary Marksmanship Training (PMI), what are the only two positions taught?
55 .: What are the two basic elements of the Sight Picture?
56 .: What does the acronym SPORTS stand for?
57 .: What is remedial action?
58 .: Describe the proper procedures for applying remedial action with the M4.
59 .: Describe the proper procedure for applying immediate action with the M4.
60 .: What are the steps required in order to mechanically zero the M4?

61 .: What are the steps required in order to battle sight zero the M4?
62 .: Is SPORTS an Immediate or Remedial Action?
63 .: What is immediate action?
64 .: How many times should immediate action be applied to a weapon?
65 .: What is a malfunction?
66 .: Name the different categories of malfunctions for the M4 Rifle.
67 .: What is stoppage?
68 .: How do you clear a stoppage?
69 .: What is the definition of Maximum Effective Range?
70 .: What does CLP stand for?
71 .: Describe the M4 Rifle.
72 .: What are the 7 types of ammunition that can be used with the M4 Rifle?
73 .: Describe the weights of the M4 Rifle without mgazine and sling, with sling and loaded 20 round magazine and with sling and loaded 30 round magazine.
74 .: Describe the max effective rates of fire for the M4 Rifle.
75 .: What is the muzzle velocity of the M4 Rifle?
76 .: Describe the ranges for the M4 Rifle.
77 .: Describe the Barrel Rifling for the M4 Rifle.
78 .: What is the basic load of ammunition for the M4?
79 .: The elevation knob adjusts the point of aim for the M4 Rifle how much?
80 .: What is the overall length of the M4 Rifle?
81 .: What are the four positions for the buttstock of the M4 Rifle?
82 .: What are the 8 steps in the functioning of the M4 rifle?
83 .: What part of the M4 Rail Adapter System may be removed to perform PMCS?
84 .: Describe the procedures for clearing the M4 Rifle.
85 .: How do you perform a functions check on the M4 Rifle?
86 .: Once done installing the M18A1, how far behind the mine should the wire be secured?
87 .: Describe the M18A1
88 .: What is the M18A1 primarily used for?
89 .: What is the first step in installing the M18A1?
90 .: How much does the M18A1 weigh?

91 .: What color is a "training" M18A1?
92 .: How long is the wire that the M4 blasting cap is connected to?
93 .: Name the components that are in the bandoleer of the M18A1
94 .: Where will you find the instructions for the employment of the M18A1?
95 .: What color is a "live" M18A1?
96 .: What is the effective frontal range of the M18A1?
97 .: Who keeps the M57 firing device while the M18A1 is being installed?
98 .: What Field Manual covers the M18A1?
99 .: What are the two sites used on the M18A1 to aim it?
100 .: When aiming the M18A1 using the slit-type peepsight, how far above the ground do you aim?
101 .: When aiming the M18A1 using the knife edge sight, how far above the ground do you aim?
102 .: What type of explosive is used in the M18A1?
103 .: One M40 test set is included with how may M18A1 claymores?
104 .: What is the killing zone of the M18A1?
105 .: How far is the danger area to the rear of the M18A1?
106 .: What is the M2 .50 Cal machine gun used for?
107 .: What is the weight of the M2 .50 Cal machine gun?
108 .: Which FM covers the M2 .50 Cal?
109 .: What is the importance of correct head space adjustment on the .50 Cal machine gun?
110 .: What is the length of the barrel of the .50 Cal?
111 .: What is the maximum range of the .50 Cal?
112 .: What is the muzzle velocity of the .50 Cal?
113 .: What is the description of the .50 Cal, HB, M2 Machine Gun?
114 .: What is the maximum effective range of the .50 Cal against point and area targets?
115 .: To control the rate of fire on the M2, the gunner may use what methods of fire?
116 .: Describe the Single Shot method of fire on the M2 .50 Cal.
117 .: Describe the Slow method of fire on the M2 .50 Cal.
118 .: Describe the Rapid method of fire on the M2 .50 Cal.
119 .: Describe the Cyclic method of fire on the M2 .50 Cal.
120 .: What is the length of the .50 Cal, overall?

121 .: What is the cyclic rate of fire of the M2 .50 Cal?
122 .: What type of front sight does the M2 .50 Cal have?
123 .: What type of rear sight does the M2 .50 Cal have?
124 .: What are the common malfunctions of the M2 .50 Cal?
125 .: What are the common stoppages of the M2 .50 Cal?
126 .: What are the ten major components and assemblies of the M2 .50 Cal?
127 .: What are the proper procedures for performing immediate action on the M2 .50 Cal?
128 .: If you turn the M203 windage screw one increment, how far does that move the strike of the round at 200 meters?
129 .: What is the maximum range of the M203?
130 .: What is the maximum effective range of the M203 against a fire team sized area target?
131 .: What is the maximum effective range of the M203 against a vehicle or weapon point target?
132 .: What is the minimum arming range of the 40 mm round fired from the M203?
133 .: What is the rate of fire of the M203?
134 .: What Field Manual covers the M203?
135 .: What is the casualty radius of a M203 40 mm HE round?
136 .: What are the 4 fundamentals of M203 marksmanship?
137 .: The M203 uses several fixed type, low velocity 40 mm rounds. Name some of the common types of rounds used.
138 .: What are the two common malfunctions of the M203?
139 .: What are the five common stoppages of the M203?
140 .: What are the two types of sights on the M203?
141 .: Describe the M203.
142 .: At what range do you zero the M203?
143 .: How must you maintain the M203 Grenade Launcher in varying climates?
144 .: How long should you wait before opening the breach to unload the weapon if you happen to have a misfire with the M203?
145 .: What is the weight of the M240B?
146 .: What Field Manual covers the M240B?
147 .: Describe the M240B.
148 .: What is the sustained rate of fire for the M240B?
149 .: What is the rapid rate of fire for the M240B?
150 .: What is the cyclic rate of fire for the M240B?

151 .: What is the maximum range of the M240B?
152 .: What is the maximum effective range of the M240B with tripod and T&E?
153 .: What is the maximum effective range of the M240B for an area target?
154 .: What is the maximum effective range of the M240B for a point target?
155 .: What is the length of the M240B?
156 .: What is the maximum tracer burnout for the M240B?
157 .: What types of ammunition can be used with M240B?
158 .: What are the proper clearing procedures for the M240B?
159 .: What are the proper procedures for performing a function check on the M240B?
160 .: What is the maximum range of the M249 (SAW)?
161 .: What is the maximum effective range of the M249 with tripod and T+E?
162 .: What is the maximum range of the M249 against an area target for both tripod and bipod?
163 .: What is the maximum range of the M249 against a point target for both tripod and bipod?
164 .: What does S.A.W. stand for?
165 .: What is the weight of the M249?
166 .: What is the basic load of ammunition for the M249?
167 .: What is the length of the M249
168 .: Describe the M249.
169 .: What FM covers the M249?
170 .: What are the rates of fire for the M249?
171 .: What are the proper procedures for clearing the M249?
172 .: What are the 8 major groups of the M249?
173 .: The M249 is loaded, fired, unloaded and cleared from what bolt position?
174 .: What are the steps to the cycle of functioning for the M249?
175 .: How do you adjust for windage with the M249?
176 .: How do you adjust for elevation with the M249?
177 .: Name 3 assault firing positions used with the M249
178 .: What are two unique features of the M249?
179 .: What is the FM that covers the M60?
180 .: What is the weight of the M60?

181 .: What is the maximum effective range of the M60?
182 .: What feature of the M60 allows the user to change the barrels rapidly?
183 .: What are the sustained, rapid and cyclic rates of fire for the M60?
184 .: What is the most effective rate of fire for the M60?
185 .: What is the tracer burnout range for the M60?
186 .: What is grazing fire?
187 .: What is the maximum range of grazing fire for the M60 over level or uniformly sloped terrain?
188 .: What is always the Number 1 target on an M60 range card?
189 .: What are the 5 types of ammunition used with the M60?
190 .: What weapon is scheduled to replace the M60 machine gun?
191 .: Describe the M60.
192 .: The M60 is fired with the bolt in what position?
193 .: How often should the barrel be changed on the M60?
194 .: Name 2 common malfunctions of the M60
195 .: What should you do if you have a "runaway gun" with the M60 Machine Gun?
196 .: How many barrels are issued with the M60?
197 .: What are the proper procedures to clear the M60 Machine Gun?
198 .: How do you perform a function check on the M60?
199 .: How many spring-loaded fins are attached to the M72A2/A3 LAW?
200 .: What is the muzzle velocity of the M72A2 and M72A3?
201 .: Describe the M72A2/A3 LAW
202 .: What is the length of the Launcher of the M72A2 and the M72A3?
203 .: About the Rocket in the M72A2 and the M72A3, how long is it and how much does it weigh?
204 .: What FM covers the use of the M72 LAW?
205 .: What is the Minimum range of the M72A2 and the M72A3 in a combat environment?
206 .: What is the Maximum Range of the M72A2 and the M72A3?
207 .: What is the Maximum Effective range of the M72A2 and the M72A3?
208 .: Because the M72-series LAW is issued as a round of ammunition rather than as a weapon, inspection is limited to a visual examination of the sealed unit. How do you inspect the M72 series LAW?
209 .: What is the first thing that you should do before engaging a target with the LAW?
210 .: What kind of projectile is fired form the LAW?

211 .: What is the first step in preparing the LAW for use?
212 .: What is the weight of a complete M72A2?
213 .: What is the weight of a complete M72A3?
214 .: If you have a misfire with the M72A2/A3 LAW, what should you do?
215 .: What is the weight of the M9 pistol with an empty magazine?
216 .: Describe the M9 pistol.
217 .: Describe the magazine for the M9.
218 .: What is the weight of the M9 pistol with a 15 round magazine?
219 .: What is the basic load of ammunition for the M9?
220 .: How many rounds can a magazine designed for the M9 hold?
221 .: What are the two types of ammunition used by the M9?
222 .: What Field Manual covers the M9?
223 .: What are the proper clearing procedures for the M9?
224 .: What are the steps required to perform a function check for the M9?
225 .: What are the steps to the cycle of operation of the M9?
226 .: How do you perform immediate action for the M9?
227 .: How do you perform remedial action for the M9?
228 .: What are the major components of the M9?
229 .: What is the maximum range of the M9?
230 .: What is the maximum effective range of the M9?
231 .: What are the three safety features found on the M9?
232 .: What is the weight of the M11 pistol with an empty magazine?
233 .: Describe the M11 pistol.
234 .: Describe the magazine for the M11.
235 .: What is the weight of the M11 pistol with a 13 round magazine?
236 .: What is the basic load of ammunition for the M11?
237 .: How many rounds can a magazine designed for the M11 hold?
238 .: What are the two types of ammunition used by the M11?
239 .: What Field Manual covers the M11?
240 .: What are the proper clearing procedures for the M11?

241 .: What are the steps required to perform a function check for the M11?
242 .: What are the steps to the cycle of operation of the M11?
243 .: How do you perform immediate action for the M11?
244 .: How do you perform remedial action for the M11?
245 .: What are the major components of the M11?
246 .: What is the maximum range of the M11?
247 .: What is the maximum effective range of the M11?
248 .: What are the three safety features found on the M11?
249 .: What size projectile is fired from the MK19?
250 .: What is a special feature of the barrel of the MK19?
251 .: What is a MK64, MOD7?
252 .: Describe the MK19.
253 .: What is the length of the MK19?
254 .: What is the maximum range of the MK19?
255 .: What is the maximum effective range of the MK19?
256 .: What are the rates of fire for the MK19?
257 .: What is the muzzle velocity of the MK19?
258 .: What are the two most common malfunctions of the MK19?
259 .: When taking immediate action for a "runaway gun" with the MK19, should you ever break the ammo belt?
260 .: One click in rear site windage equals how many change?
261 .: What mounts are available for the MK19?
262 .: Describe the sight system for the MK19.
263 .: What is the weight of the MK19 weapon system?
264 .: What are the approved methods of destruction for the MK19?
265 .: What FM covers the MK19?
266 .: What is the average recoil force of the MK19?
267 .: What is the type of ammunition fired from the MK19?
268 .: What are the 6 steps in the MK19 cycle of operation?
269 .: What are the proper procedures to clear a MK19?
270 .: What are the proper procedures for performing immediate action on the MK19?

271 .: What is a hand grenade?
272 .: What is the effective casualty-producing radius of the M67 hand grenade?
273 .: What are the components of a hand grenade?
274 .: What are the three characteristics of all hand grenades?
275 .: What FM covers Grenades and Pyrotechnic Signals?
276 .: In what five areas can the hand grenade assist the individual soldier in the accomplishment of the mission?
277 .: What are the six types of hand grenades?
278 .: How do you inspect unpacked grenades or grenades stored in ammunition pouches?
279 .: What types of grenades should every soldier be able to identify
280 .: About the M67 Fragmentation Grenade:
281 .: About the M18 Colored Smoke Grenade:
282 .: About the AN-M8 HC Smoke Grenade:
283 .: About the AN-M14 TH3 Incendiary:
284 .: About the ABC M7A2 and ABC M7A3 CS Riot Control:

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