Springfield Armory KUNA: A Modern Roller-Delayed 9mm Carbine for a Grand?!

Published on April 17, 2025
Duration: 9:57

This guide details the disassembly of the Springfield Armory KUNA, a modern roller-delayed 9mm carbine. Expert insights cover field stripping, examination of the unique single-roller bolt mechanism, and comparison to AR and MP5 internal components. The video demonstrates a practical approach to understanding the firearm's construction.

Quick Summary

The Springfield Armory KUNA is a modern 9mm Pistol Caliber Carbine (PCC) featuring a roller-delayed blowback operating system and a 6-inch barrel. It boasts ambidextrous controls, a versatile magwell for 9mm/.40 S&W, and demonstrated exceptional reliability over 1000 rounds without lubrication in harsh conditions, all priced around $1,000.

Chapters

  1. 00:00Introduction and SBR Configuration
  2. 00:36Barrel and Muzzle Specifications
  3. 00:54Receiver and Magwell Design
  4. 01:17Ambidextrous Controls
  5. 02:23Charging Handle and Accessories
  6. 03:08Stock and Adjustability
  7. 03:50Internal Mechanics and Disassembly
  8. 05:56Range Performance and Recoil
  9. 07:13Reliability and Magazines
  10. 08:48Sights and Final Assessment

Frequently Asked Questions

What is the operating system of the Springfield Armory KUNA?

The Springfield Armory KUNA operates using a roller-delayed blowback system, a design known for its effectiveness in managing recoil and cycling in various firearm platforms.

How reliable is the Springfield Armory KUNA?

During testing, the KUNA demonstrated significant reliability, functioning without lubrication for 1000 rounds in desert conditions, with only minor issues like failing to lock back on an empty magazine.

What caliber options does the Springfield Armory KUNA support?

The KUNA is chambered in 9mm, and its lower receiver's large magwell is specifically designed to accommodate magazines for both 9mm and .40 S&W cartridges.

What is the approximate price of the Springfield Armory KUNA?

The Springfield Armory KUNA is positioned as a modern Pistol Caliber Carbine (PCC) with an estimated price point of around $1,000, offering a balance of features and affordability.

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