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Malfunctions & Corrective Actions M16 / M4. 1. Firing 2. Unlocking 3. Extracting 4. Ejecting 5. Cocking 6. Feeding 7. Chambering 8. Locking Cycle of Operation.

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Presentation on theme: "Malfunctions & Corrective Actions M16 / M4. 1. Firing 2. Unlocking 3. Extracting 4. Ejecting 5. Cocking 6. Feeding 7. Chambering 8. Locking Cycle of Operation."— Presentation transcript:

1 Malfunctions & Corrective Actions M16 / M4

2 1. Firing 2. Unlocking 3. Extracting 4. Ejecting 5. Cocking 6. Feeding 7. Chambering 8. Locking Cycle of Operation

3 1. Firing 2. Unlocking 3. Extracting 4. Ejecting 5. Cocking 6. Feeding 7. Chambering 8. Locking M16 / M4 Types of Failures

4 M16 / M4 1. Firing 2. Unlocking 3. Extracting 4. Ejecting 5. Cocking 6. Feeding 7. Chambering 8. Locking Cycle of Operation

5 M16 / M4 Immediate Action SPORTS S lap the magazine to ensure it is fully seated P ull the charging handle fully to the rear O bserve for the ejection of a round or shell R elease the charging handle; do not ride it T ap the forward assist S queeze the trigger and attempt to fire

6 M16 / M4 Failure to Fire Description The trigger is pulled, and although the hammer falls on the round, the bullet is not fired from the chamber.

7 M16 / M4 Failure to Fire Causes The most common cause of a failure to fire is an improper loading sequence. The second most common reason is failure of the bolt to go completely into battery, which is often caused by bad ammunition or a dirty rifle. The common, non-mechanical reason is a bad primer.

8 M16 / M4 Failure to Fire Corrective Action To remedy a failure to fire, execute SPORTS. While clearing this malfunction, keep the muzzle up to allow gravity to aid clearing and to keep your vision oriented towards the threat or threat area.

9 M16 / M4 Failure to Feed Description Failure-to-Feed A round is not picked up by the bolt and/or chambered. Double Feed Two rounds are picked up by the bolt and attempted to be chambered Bolt Override (double feed) The shock of firing dislodges a round from the magazine and if the shooter is at an odd angle, it can become jammed into the gas tube

10 M16 / M4 Failure to Feed Causes Failure to feed malfunctions are almost entirely caused by an unserviceable magazine. Although unlikely, another reason for failure to chamber a round is dirt or grime on the round casing.

11 M16 / M4 Failure to Feed Corrective Action (1/2) This is remedied using SPORTS. If done properly, the malfunction will be cleared before the word “malfunction” gets out of the shooter’s mouth. Failure-to-Feed

12 M16 / M4 Failure to Feed Corrective Action (2/2) 1.Lock the bolt to the rear 2.Remove the magazine 3.Clear the feed way 4.Reload rifle 5.Re-engage as necessary Double Feeds

13 M16 / M4 Failure to Eject Description Failure to Unlock Brass is stuck in the chamber and is holding the bolt closed Stove-pipe (failure to eject) An expended case is sticking out of the ejection port at a 90˚angle

14 M16 / M4 Failure to Eject Causes The most common cause of a failure unlock is ammunition that is slightly of shape round casing. The common cause of a stove-pipe is shooting too close to an object, where the ejected casing would bounce back into the ejection port.

15 M16 / M4 Failure to Eject Corrective Action (1/2) 1.Grasp charging handle 2.Strike rifle butt on ground 3.Inspect chamber 4.Insert magazine 5.Seat magazine 6.Charge rifle 7.Re-engage if necessary Failure to Unlock (Mortar Method)

16 M16 / M4 Failure to Eject Corrective Action (2/2) As the shooter begins SPORTS, he should see the empty casing sticking out of the ejection port and immediately cease the “Pull” portion of SPORTS. With the other hand, remove the casing while the bolt is partially back, before the bolt can pick up another round from the magazine Stove-pipe


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