PSA AK74 - Winter is Here!

Published on January 10, 2021
Duration: 13:46

This video details a 'sand tornado' reliability test on a Palmetto State Armory AK74 chambered in 5.45x39mm. After experiencing a bolt-close malfunction due to sand obstruction, the firearm undergoes a thorough disassembly and inspection. The presenter meticulously examines the bolt carrier, bolt, trunnion, and other internal components for wear and damage, concluding with a no-go gauge test to certify it for continued use. The review highlights the rifle's performance under harsh conditions and its internal condition post-testing.

Quick Summary

A Palmetto State Armory AK74 experienced a bolt-close malfunction during a sand tornado test due to a single grain of sand obstructing the bolt carrier. After disassembly, inspection revealed minor deformation on the bolt carrier but good condition of the bolt and trunnion. A subsequent no-go gauge test confirmed the rifle's headspace was within limits, clearing it for further use.

Chapters

  1. 00:01Introduction: Winter Warfare in Missouri
  2. 00:12PSA AK74 Sand Tornado Test Begins
  3. 00:20First Malfunction: Bolt Did Not Close
  4. 01:12Investigating the Obstruction: Sand Found
  5. 01:47Removing the Optic and Popping the Hood
  6. 02:01Chamber Inspection: Sand Accumulation
  7. 02:38Clearing the Obstruction and Resuming Fire
  8. 03:14Attempting to Finish the Magazine
  9. 04:31Sand Everywhere: Post-Test Observation
  10. 04:47Sand Tornado Test Summary and Performance
  11. 05:28Rifle Performance After Clearing Sand
  12. 06:06Overall Performance and Wind Factor
  13. 06:31Shooting Impressions: 5.45x39mm
  14. 06:44Accuracy and Range Performance
  15. 07:21Beginning Disassembly for Inspection
  16. 07:48Dust Cover and Recoil Spring Removal
  17. 07:57Bolt Carrier Group Removal and Initial Inspection
  18. 08:15Chamber and Gas Tube Inspection
  19. 08:23Bolt Carrier Deformation and Trigger Group
  20. 08:47Bolt and Locking Lug Inspection
  21. 08:59Extractor Claw and Firing Pin Check
  22. 09:22Trunnion Inspection (Right and Left Sides)
  23. 09:55Chamber and Trunnion Bottom Inspection
  24. 10:13Rivets Inspection (Trigger Guard and Front)
  25. 10:36Gas Tube Removal and Inspection
  26. 11:05Handguard and Gas Block Inspection
  27. 11:18Pins and Front Sight Post Check
  28. 11:30Cleaning Rod Rust and Rear of Rifle
  29. 11:48Front of Rifle and Suppressor Mounts
  30. 12:12Preparing for No-Go Gauge Test
  31. 12:37No-Go Gauge Test: 5.45x39mm
  32. 12:58No-Go Gauge Test Results: Cleared for Use
  33. 13:13Looking Ahead: Next Episode and New Year Wishes

Frequently Asked Questions

What caused the PSA AK74 to malfunction during the sand tornado test?

The PSA AK74 malfunctioned because a single grain of sand obstructed the bolt carrier's forward travel, preventing the bolt from closing completely. This highlights how even small debris can cause stoppages in firearms.

What was the condition of the PSA AK74 after the sand test and disassembly?

After the sand test, the PSA AK74 showed some deformation on the rear of the bolt carrier, but the bolt, locking lugs, extractor, and trunnion were in good condition. The no-go gauge test confirmed it was cleared for continued use.

How does the 5.45x39mm caliber perform in the PSA AK74?

The 5.45x39mm caliber in the PSA AK74 is described as a pleasure to shoot, offering good accuracy for extended distances and suitability for tactical training and general use.

What is the significance of the no-go gauge test for the PSA AK74?

The no-go gauge test is crucial for verifying the headspace of the firearm. Passing this test indicates that the PSA AK74's headspace is within acceptable tolerances, clearing it for another thousand rounds of firing.

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