Sand Tornado Kill: Zastava ZPAP, 3000 Rounds Later

Published on September 26, 2019
Duration: 11:51

This guide details troubleshooting and maintenance for a Zastava ZPAP rifle experiencing trigger reset issues, particularly after exposure to harsh conditions like a sand tornado. It covers identifying the problem, disassembling and cleaning the fire control group, addressing burrs on the trigger hammer plate, securing retaining pins, and tightening the stock. The video emphasizes the importance of proper parts and potential upgrades like retainer plates.

Quick Summary

Troubleshooting a Zastava ZPAP trigger that fails to reset involves cleaning the fire control group for debris and inspecting the trigger hammer plate for burrs. Pins can also work loose, especially if secured with paperclips, necessitating the use of a retainer plate for improved reliability.

Chapters

  1. 00:09Magazine Issue
  2. 00:26Sand Tornado Test Intro
  3. 00:48Trigger Reset Malfunction
  4. 01:34Fire Control Group Disassembly
  5. 02:15Trigger Hammer Plate Issue
  6. 03:17Stock Looseness and Tightening
  7. 03:39Stock Screw Access
  8. 04:31Fire Control Group Pin Issue
  9. 05:22Retainer Plate Suggestion
  10. 05:54Internal Inspection
  11. 06:43Bolt Carrier and Piston Head
  12. 07:44Bolt and Locking Lugs
  13. 08:33Receiver Finish Wear
  14. 08:52Pin Retention Revisited
  15. 09:07Gas Tube and Piston
  16. 09:22Barrel Condition
  17. 09:39Magazine Wear
  18. 10:15Overall Rifle Condition
  19. 11:11No-Go Gauge Test
  20. 11:32Conclusion: Cleared for 1000 Rounds

Frequently Asked Questions

What causes a Zastava ZPAP trigger to stop resetting?

A common cause for a Zastava ZPAP trigger failing to reset is debris, such as sand, getting into the fire control group. Additionally, physical issues like burrs on the trigger hammer plate hook or pins working loose can prevent proper reset.

How can I fix a Zastava ZPAP trigger that isn't resetting?

First, disassemble and thoroughly clean the fire control group. If the issue persists, inspect the trigger hammer plate for burrs and file them down. Ensure all pins are securely in place, and consider installing a retainer plate to prevent them from walking out.

What maintenance is needed for a Zastava ZPAP after heavy use?

After heavy use, like 3000 rounds or exposure to harsh elements, check for loose components such as the stock, which can be tightened via a screw under the buttplate. Also, inspect the fire control group pins for security and consider upgrades like retainer plates.

Are Zastava ZPAP fire control group pins reliable?

The video suggests that the original Zastava fire control group pins, sometimes secured with paperclips, can be a weak point. These paperclips can deform, allowing pins to slip out and cause malfunctions. Using a retainer plate is recommended for better reliability.

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