M90 556 AK Vs KS47 7.62x39 AR - Who Will Win?

Published on June 15, 2023
Duration: 20:35

This video compares the Zastava M90 NP (5.56 AK variant with AR mag compatibility) and the Palmetto State Armory KS47 (7.62x39 AR variant with AK mag compatibility). The M90 NP demonstrated significantly less recoil and better reliability, especially with suppressors. The KS47 experienced light primer strikes and issues with magazine seating and ejection. While the KS47 offered faster reloads due to its AR platform's magazine release, the M90 NP's overall reliability and shooting characteristics made it the preferred choice for the reviewer.

Quick Summary

The Zastava M90 NP (5.56 AK with AR mags) outperformed the Palmetto State Armory KS47 (7.62 AR with AK mags) in recoil control and reliability. The M90 NP offered a softer shooting experience and better suppressor performance, while the KS47 suffered from light primer strikes and magazine ejection issues, despite being faster at reloads.

Chapters

  1. 00:00Introduction: AK vs AR Caliber Swap
  2. 01:24Zastava M90 NP Overview
  3. 02:39Palmetto State Armory KS47 Overview
  4. 03:48Recoil Test: M90 NP vs KS47
  5. 04:08KS47 Malfunctions: Light Primer Strikes
  6. 05:15M90 NP Recoil & Handling
  7. 06:18Reload Speed Test Setup
  8. 06:50KS47 Reload Speed Results
  9. 07:39M90 NP Reload Speed Results
  10. 08:23KS47 Reload Issues: Magazine Drop
  11. 09:29Timed Drill Course Setup
  12. 10:31M90 NP Timed Drill Performance
  13. 11:04M90 NP Drill Issues: Jam & Primer Strike
  14. 11:28KS47 Timed Drill Setup
  15. 11:38KS47 Timed Drill Performance
  16. 13:22KS47 Prone Shooting Issues
  17. 14:59M90 NP Suppressor Test
  18. 16:00KS47 Suppressor Test
  19. 17:23Recoil Comparison Summary
  20. 17:47Reload Speed Comparison Summary
  21. 19:04Reliability Test Conclusion
  22. 19:44Winner of the Test Announced
  23. 20:00Final Recommendation

Frequently Asked Questions

Which rifle had less recoil in the test?

The Zastava M90 NP, an AK platform chambered in 5.56x45mm NATO, demonstrated significantly less recoil compared to the Palmetto State Armory KS47, a 7.62x39mm AR platform. The M90 NP was described as a 'very soft shooter' and 'super pleasant,' while the KS47 produced noticeable recoil.

What reliability issues did the PSA KS47 experience?

The Palmetto State Armory KS47 experienced multiple light primer strikes, leading to malfunctions. Additionally, empty AR magazines did not always drop free cleanly, requiring manual intervention, and the bolt would sometimes catch on the feed lips when monopoding on the magazine.

How did the rifles perform with suppressors?

The Zastava M90 NP performed exceptionally well with a suppressor, exhibiting almost no recoil on its lowest gas setting and remaining quiet. The KS47 became significantly gassier and produced more recoil when suppressed, making it harder to shoot and causing gas blowback.

Which rifle was faster for reloads?

The Palmetto State Armory KS47 was faster for reloads, achieving times under three seconds. However, the Zastava M90 NP's reloads were more repeatable, averaging in the mid-three-second range, and it did not suffer from the same magazine drop issues as the KS47.

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