NEW HK SP5 semi-auto MP5!

Published on December 12, 2019
Duration: 24:16

This guide details the field strip and reassembly process for the HK SP5, a semi-automatic variant of the MP5. The process involves removing two push pins to separate the receivers and then disassembling the bolt carrier group and recoil spring. The video emphasizes the high-quality German machining of the internal components.

Quick Summary

The HK SP5 is a 9mm pistol featuring a standard MP5 size, a 1/2x28 threaded barrel with a tri-lug adapter, an FBI-style lower with ambidextrous controls, and the highly requested paddle magazine release. It operates via a roller-delayed blowback system, offering quiet shooting and minimal gas blowback.

Chapters

  1. 00:10History & SP5K Context
  2. 02:13HK SP5 Introduction & Features
  3. 03:02Shooting Demo & Market Comparison
  4. 06:56Zenith Z5 Carbine Comparison
  5. 08:51Magazine Evolution
  6. 12:19Field Strip & Internals
  7. 14:32Suppressed Performance
  8. 19:20Reliability & Final Thoughts

Frequently Asked Questions

What are the key features of the new HK SP5 pistol?

The HK SP5 is a 9mm pistol featuring a standard MP5 size, a 1/2x28 threaded barrel with a tri-lug adapter, an FBI-style lower with ambidextrous controls, and the highly requested paddle magazine release. It operates via a roller-delayed blowback system.

How does the HK SP5 compare to its clones like Zenith and PTR?

Heckler & Koch is pricing the SP5 to be competitive with high-end clones such as Zenith, POF, and PTR. While these clones offer similar features, the SP5 represents the premium, German-made original with its own heritage and quality.

What was the historical significance of the 1986 machine gun ban on firearms like the HK94?

The 1986 machine gun ban significantly increased the desirability and price of firearms like the HK94, as they became highly sought-after platforms for conversion into machine guns using registered sear packs.

What kind of reliability was observed with the HK SP5 during testing?

The HK SP5 demonstrated excellent reliability, successfully cycling a variety of ammunition, including 147gr subsonic flat-nose rounds. The only noted issue involved a specific MKE magazine failing to properly seat in the German-made firearm.

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