The Zastava 5.56mm ZPAP M90 PS

Published on April 28, 2022
Duration: 17:19

This review of the Zastava ZPAP M90 PS in 5.56mm highlights its robust construction, pleasant shooting characteristics, and the significant advantage of its adjustable gas system. The adjustable gas block, with three positions, is particularly beneficial for suppressor use and tuning for different ammunition types, addressing concerns about the diminishing availability of 7.62x39mm Russian ammunition. The reviewer, with extensive experience and over 2,000 rounds tested, praises its build quality and accuracy.

Quick Summary

The Zastava ZPAP M90 PS in 5.56mm is a highly recommended AK variant, featuring a robust 1.5mm receiver, a cold hammer-forged chrome-lined barrel, and a crucial three-position adjustable gas system. This adjustable gas block enhances versatility, especially for suppressor use, and addresses concerns about the diminishing availability of 7.62x39mm ammunition, making 5.56mm a more practical choice.

Chapters

  1. 00:08Introduction to Zastava Rifles
  2. 00:10ZPAP M70 Comparison
  3. 00:557.62x39mm Ammunition Import Ban Impact
  4. 01:36Historical Ammunition Bans
  5. 03:06Rethinking AK Calibers: The Rise of 5.56mm
  6. 03:17Introducing the Zastava ZPAP M90 PS (5.56mm)
  7. 03:58ZPAP M90 PS Features: Stock & Grip
  8. 04:14Controls: Safety & Bolt Lock
  9. 04:21Magazine Compatibility
  10. 04:43Extensive Round Count & Testing
  11. 05:11Ammunition Tested (Brass Case)
  12. 05:34.223 REM vs 5.56 NATO
  13. 05:41Receiver and Bolt Lock Notch
  14. 05:52Optics Mounting: Midwest Industries Mount & Leupold LCO
  15. 06:12Zastava Specific Scope Mounts
  16. 06:29Barrel Specifications
  17. 06:41Adjustable Gas Valve Explained
  18. 07:00Adjusting the Gas Valve: Procedure
  19. 07:12Benefits of Adjustable Gas: Suppressors
  20. 07:39Gas Settings for Ammunition Types
  21. 07:54Handguard Design
  22. 08:15Left Side View: Scope Mount
  23. 08:28Disassembly: Removing Scope Mount
  24. 08:48Firearm Disassembly Procedure
  25. 09:50Gas Block Removal (for valve access)
  26. 10:12Detailed Gas Valve Inspection
  27. 10:48Gas Valve Settings Explained
  28. 11:09Trigger and Bore Inspection
  29. 11:19Reconsidering 5.56mm AKs
  30. 12:11Range Test Introduction
  31. 15:56Accuracy and Range Performance
  32. 16:19Importance of Proper Scope Mounts
  33. 16:46Conclusion: Zastava's Success
  34. 17:09Recommendation for 5.56mm AKs

Frequently Asked Questions

What makes the Zastava ZPAP M90 PS in 5.56mm a notable AK variant?

The ZPAP M90 PS stands out due to its 5.56mm chambering, which offers better ammunition availability than 7.62x39mm, especially with recent import bans. It also features a crucial adjustable gas system for enhanced versatility with suppressors and different ammo types, alongside Zastava's signature robust build quality.

How does the adjustable gas system on the ZPAP M90 PS work?

The ZPAP M90 PS has a three-position adjustable gas valve. This system requires removing the handguard to access and adjust the valve. It allows users to fine-tune gas pressure for optimal cycling with various ammunition loads and is particularly beneficial when using suppressors, reducing gas blowback.

What are the key features of the Zastava ZPAP M90 PS?

Key features include a 1:18.5 cold hammer-forged, chrome-lined barrel, a 1.5mm stamped receiver, a bolt lock open notch, a Magpul Zhukov side-folding stock, and a Magpul MOE pistol grip. It also boasts an adjustable gas system and compatibility with certain Bulgarian 5.56mm magazines.

Why is the 5.56mm caliber becoming more relevant for AK platforms?

The increasing relevance of 5.56mm for AKs is largely driven by geopolitical events and import restrictions on Russian ammunition, particularly 7.62x39mm. This has made 5.56mm, which remains widely available from various international and domestic sources, a more practical and cost-effective choice for many shooters.

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