Israel Armed Guard Firearm Theory study materials
Israel Armed Guard Firearm Theory study resources

Slide Short of Battery at the Perimeter Fence

Israel Armed Guard Firearm Theory · Put your knowledge to work in context.

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Slide Short of Battery at the Perimeter Fence

02:40. A guard is alone on the perimeter road of a chemical storage depot. The site's written carry condition is magazine inserted, chamber empty, hammer down. On his third round of the night he hears a metallic scrape from the sector 4 fence line, about 25 m away, where the lighting is out. He draws, racks the slide to chamber a round, and the slide stops roughly a centimetre short of full travel. Under his flashlight he sees a cartridge sitting at an angle, its nose jammed against the lower edge of the feed ramp. He cannot see past the fence line. The second guard is at the main gate 300 m away, reachable by radio but not by sight. The scraping stops. The pistol holds 15 rounds in the magazine; one is now stuck at the mouth of the chamber.

1. Name the malfunction and give the immediate action sequence. Why is 'tap, rack, bang' the wrong first move here?

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This is a failure to feed - a nose-dive jam: the round has left the magazine but is not aligned with the chamber, and the slide is out of battery.

Why tap-rack is wrong: tap-rack assumes the chamber is empty and the problem is that the slide did not cycle fully. Here the chamber area is already obstructed. Slapping the magazine and racking with the magazine still seated can drive the jammed round deeper, convert it into a double feed, or shear the case. The sequence is:

  1. Move to cover first - a weapon that cannot fire is not a reason to stand still in the open.
  2. Keep the muzzle in a safe direction, finger off the trigger.
  3. Strip the magazine out and retain it.
  4. Rack the slide two or three times to eject the loose round; if the slide will not move, lock it back and pick the round out.
  5. Lock the slide, visually and physically check the chamber and the breech face.
  6. Reinsert the magazine, rack to chamber, confirm the slide is fully in battery.
  7. Only then return to the problem you were dealing with.

Retain the ejected round - it is evidence about why the weapon failed.

2. Do you close on the fence line, or withdraw? Justify the decision using the guard's actual capabilities at that moment.

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He withdraws to cover and observes; he does not close on an unknown source of noise in an unlit sector, alone.

The reasoning a grader wants: at the moment of the malfunction he had zero fire capability, so any decision made then is made unarmed. After the remedial action he has a weapon that has cycled once, not one that has been proven. Closing 25 m on a fence line in the dark, without illumination, with no line of sight past the fence and a partner 300 m away, trades every advantage for curiosity. The scraping may be a fence panel in the wind, an animal, or an intrusion; none of those is worth a single guard's life, and none requires him to leave cover to find out.

Correct actions: get behind hard cover with a view of sector 4, radio the main gate with the exact location and what he heard, ask the control room to bring up lighting if it exists, request that the second guard take the vehicle or a second position, and request police if the noise repeats or a breach is visible. He keeps the post observed, not abandoned. The operating principle: a guard's weapon protects life; the fence, the tank farm and the inventory are insured.

3. What has to happen to the ejected round and the magazine after the incident, and what do you record?

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Treat both as suspect until proven otherwise.

The round: inspect it in good light for a deformed nose, a deep set-back bullet, a scratched case, or a dented case mouth. A round that has failed to feed has been subjected to abnormal force. Do not put a visibly deformed round back into a carry magazine - set it aside in a container for the armorer, and note the batch if the ammunition is lot-marked. A round that looks perfect may be returned to range/training use, not to duty carry.

The magazine: if the same magazine reproduces the jam, tag it out of service immediately and mark it with the fault. Feed-lip damage and a weak spring are the usual causes, and both get worse, never better.

The record: time, sector, rounds in the weapon before and after, the exact malfunction, the remedial action taken, the round count and the disposition of the ejected round and magazine, plus the lighting defect in sector 4 as a corrective action for the site manager. A malfunction that is not logged is a malfunction that will be repeated by the next guard on the same magazine.