556 vs 762!!

Published on April 25, 2025
Duration: 62:30

This video provides a comparative overview of the Zastava M90 chambered in 5.56x45mm NATO and a Romanian parts kit RPK chambered in 7.62x39mm, alongside a review of the CZ Customs CZ 75 SP-01 Accu Shadow pistol. The host discusses features like the M90's adjustable gas block and lightweight design for its barrel length, as well as troubleshooting issues with the RPK's trigger. The content is geared towards intermediate firearm enthusiasts interested in AK platform variants and pistol reviews.

Quick Summary

The Zastava M90, chambered in 5.56x45mm NATO, features an 18.25-inch chrome-lined barrel and an adjustable gas block, contributing to its lighter feel. In contrast, a Romanian parts kit RPK in 7.62x39mm is undergoing troubleshooting for suspected trigger issues. The CZ Customs CZ 75 SP-01 Accu Shadow pistol is also reviewed.

Chapters

  1. 00:00Introduction: 5.56 vs 7.62 AKs & CZ 75 Review
  2. 00:32Introducing the Zastava M90 (5.56 AK)
  3. 01:06Introducing the Romanian Parts Kit RPK (7.62x39mm)
  4. 01:27CZ 75 SP-01 Accu Shadow Build by CZ Customs
  5. 03:22Zastava M90 Features: Adjustable Gas Block & Weight
  6. 05:26RPK Malfunction: Suspected Echo Trigger Issues
  7. 09:00RPK Conversion Plans: Back to Surplus Wood
  8. 12:08RPK Gas Tube vs. M90 Gas Tube Comparison
  9. 15:15Zastava M90 Optic Rail Compatibility Issues
  10. 17:40RPK Mag Well Slop vs. M90 Mag Well
  11. 20:00AK vs. AR Field Stripping Debate
  12. 23:00RPK Parts Kit Build Details
  13. 25:00CZ 75 SP-01 Accu Shadow Customization
  14. 27:00Giveaway Package: Canik TP9 Elite SC & Utica Knife
  15. 30:00Final Thoughts & Future Content

Frequently Asked Questions

What are the key differences between the Zastava M90 and a Romanian RPK?

The Zastava M90 is chambered in 5.56x45mm NATO and features an 18.25-inch barrel with an adjustable gas block, making it relatively lightweight. The Romanian RPK, built from a parts kit, is chambered in 7.62x39mm and is experiencing trigger-related malfunctions. The M90's Yugoslavian pattern receiver has specific optic rail compatibility.

What issues is the Romanian RPK experiencing, and how will they be addressed?

The Romanian RPK is reportedly not functioning correctly, with the host suspecting an Echo trigger as the culprit. The plan is to remove the Echo trigger to diagnose and resolve the malfunction, potentially converting the rifle back to its original surplus wood furniture.

What are the notable features of the CZ 75 SP-01 Accu Shadow build?

The CZ 75 SP-01 Accu Shadow, built by CZ Customs, is highlighted as a premium pistol. While specific modifications aren't detailed, it's presented as a high-quality custom build with aftermarket enhancements, suggesting improved performance and aesthetics over a standard model.

Can AKM side mounts be used on the Zastava M90?

No, standard AKM side-mounted optic rails are not compatible with the Zastava M90. The M90 utilizes a Yugoslavian pattern AK receiver, which has a different design for its side optic rail, requiring specific mounts.

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