HK SP5: A Sub Gun for Adults

Published on April 23, 2021
Duration: 25:53

The HK SP5 is presented as the civilian's gateway to the iconic MP5 platform, featuring a reliable roller-delayed blowback system proven over 1,500 suppressed rounds without cleaning. Despite its premium price and dated ergonomics, its purpose-built design and soft recoil impulse make it a unique firearm. The review details its configuration with B&T accessories, Trijicon MRO, and CGS suppressor, comparing it to a 'Porsche 911' for its specialized performance.

Quick Summary

The HK SP5 utilizes a highly reliable roller-delayed blowback system, proven to function flawlessly for over 1,500 suppressed rounds without cleaning. It offers a soft recoil impulse and represents the civilian version of the iconic MP5, though it ships as a pistol and carries a premium price tag.

Chapters

  1. 00:00Introduction & Shooting Montage
  2. 03:26Evolving Perspective on MP5 Platform
  3. 06:27Iconic Status & Civilian Access
  4. 08:28Roller-Delayed Blowback System Explained
  5. 11:56Pricing, Configuration & Barrel Features
  6. 13:35Controls, Ergonomics & HK Slap
  7. 16:41Trigger Feel & Magazine Quality/Cost
  8. 18:15Full Accessory Build List
  9. 21:04Conclusion: Porsche 911 of Guns?

Frequently Asked Questions

What makes the HK SP5's roller-delayed blowback system special?

The roller-delayed blowback system is renowned for its extreme reliability, allowing for over 1,500 suppressed rounds without cleaning in testing. It also provides a notably soft and pleasant recoil impulse, enhancing the shooting experience.

How does the HK SP5 compare to the original MP5?

The SP5 is the first true semi-automatic civilian version of the MP5 directly from Heckler & Koch. While it shares the iconic roller-delayed blowback system, it ships as a pistol and requires legal modification (brace or SBR) for a stock.

What are the main drawbacks of the HK SP5?

The primary drawbacks are its high price, typically around $3,000, and its dated ergonomics inherited from the original MP5 design. Additionally, proprietary HK magazines are expensive, often costing $100 each.

What accessories were used on the HK SP5 in the review?

The reviewed SP5 featured a B&T telescoping stock and low-profile optic mount, a Trijicon MRO red dot sight, a B&T lightweight handguard, an Arisaka 300 series light with a Surefire pressure pad, and a CGS Mod 9 SK suppressor.

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