Springfield Kuna: Croatia's New Delayed-Blowback PCC/SMG

Published on April 15, 2025
Duration: 14:13

The Springfield Kuna is a new delayed-blowback PCC/SMG from HS Product, imported by Springfield Armory. It features a roller-delay system inspired by the Stribog A3 but with improvements. The pistol variant weighs 4.5 lbs with a 6-inch barrel and uses proprietary 30-round magazines. Future variants in .45 ACP and 10mm are planned, with an MSRP under $1000.

Quick Summary

The Springfield Kuna is a new delayed-blowback PCC/SMG from HS Product, imported by Springfield Armory. It features a roller-delay system inspired by the Stribog A3 but with improvements. The pistol variant weighs 4.5 lbs with a 6-inch barrel and uses proprietary 30-round magazines. Future variants in .45 ACP and 10mm are planned, with an MSRP under $1000.

Chapters

  1. 00:00Intro: Springfield Kuna PCC/SMG
  2. 01:12Kuna Development History & .40 S&W Origins
  3. 02:15Technical Overview: Delayed Blowback System
  4. 03:33Kuna Pistol Specs: Weight, Barrel, Brace
  5. 04:20Naming & Markings: Kuna & Springfield Armory
  6. 05:25Magazine & Ambidextrous Controls
  7. 06:23Sights and Picatinny/M-LOK Rails
  8. 07:18Field Strip & Internal Components
  9. 09:03Detailed Look: Roller-Delay Mechanism
  10. 11:03Future Variants & Pricing (.45 ACP, 10mm)

Frequently Asked Questions

What is the Springfield Kuna?

The Springfield Kuna is a new pistol-caliber carbine (PCC) or submachine gun (SMG) developed by HS Product in Croatia and imported by Springfield Armory. It utilizes a delayed blowback operating system, inspired by the Stribog A3 but with specific improvements to its roller mechanism.

What are the key features of the Springfield Kuna pistol?

The Kuna pistol features a 6-inch threaded barrel, a delayed blowback action, and proprietary 30-round translucent magazines. It boasts fully ambidextrous controls, flip-up sights, and M-LOK slots on the handguard. The pistol weighs 4.5 lbs, increasing to 5.25 lbs with an optional brace.

What calibers will the Springfield Kuna be available in?

The initial release focuses on 9mm, but Springfield Armory and HS Product have plans for future variants chambered in .45 ACP and 10mm Auto. Carbine versions with longer barrels are also expected.

How does the Kuna's delayed blowback system work?

The Kuna employs a roller-delayed blowback system, similar in principle to firearms like the H&K MP5. It uses rollers within the bolt carrier to delay the opening of the bolt, allowing gas pressure to decrease before extraction, enabling reliable cycling with pistol cartridges.

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