Springfield Kuna Goes Super Safe | Nexus Evo Lower

Published on May 30, 2025
Duration: 24:29

This video details the Springfield Armory Kuna 9mm subgun, focusing on the Nexus Firearms Evo lower receiver's ability to use AR-15 triggers and CZ Scorpion magazines. The Nexus lower addresses proprietary magazine issues and enhances modularity. The host demonstrates extensive magazine compatibility testing and suppressed shooting, highlighting the roller-delayed system's smooth operation and the Super Safe trigger's high rate of fire capability.

Quick Summary

The Nexus Evo lower receiver for the Springfield Kuna enhances modularity by allowing AR-15 fire control groups and CZ Scorpion magazines. This resolves proprietary magazine issues and offers extensive compatibility with various Scorpion-style mags, improving reliability, especially when suppressed.

Chapters

  1. 00:00Intro & Shooting Montage
  2. 01:43Kuna & Nexus Evo Lower Overview
  3. 02:54Kuna Origins & Design
  4. 03:52Why the Nexus Lower is Needed
  5. 06:57Nexus Evo Lower Technical Details
  6. 08:21Magazine Compatibility Testing
  7. 11:13Recoil & Shooting Impressions
  8. 16:36Three-Way Subgun Comparison
  9. 18:29Suppressed Performance
  10. 19:28Final Thoughts & Reliability

Frequently Asked Questions

What are the main benefits of the Nexus Evo lower receiver for the Springfield Kuna?

The Nexus Evo lower allows the Springfield Kuna to use standard AR-15 fire control groups and widely available CZ Scorpion magazines. This significantly enhances modularity and resolves potential reliability issues with the Kuna's proprietary magazines, especially when suppressed.

What kind of magazines can be used with the Nexus Evo lower on a Springfield Kuna?

The Nexus Evo lower is designed to accept CZ Scorpion-style magazines. This includes popular options like Magpul P-Mags, ETS, PGS, PSA AK-V, and even some 3D-printed magazines, offering a wide range of reliable feeding solutions.

How does the Springfield Kuna's roller-delayed system compare to other subguns?

The Kuna's roller-delayed operating system provides a smoother recoil impulse than typical 9mm straight blowback subguns. While not as soft as a full-sized MP5, it offers a noticeable improvement in shootability, especially with the high rate of fire enabled by compatible triggers.

What are the technical specifications of the Nexus Evo lower receiver?

The Nexus Evo lower is CNC machined from aluminum, featuring a flared magwell, ambidextrous bolt release, and paddle magazine release. It's compatible with any AR-15 trigger and CZ Scorpion magazines, with an MSRP around $350.

Related News

All News →

More Gunsmithing & DIY Videos You Might Like

More from PSR

View all →