Why i don't use the "HK slap"

Published on November 12, 2020
Duration: 2:30

This video explains why the 'HK slap' reloading technique is not recommended for MP5-style firearms. The speaker highlights three main reasons: potential interference with modern optics, risk of mechanical wear on the receiver, and reduced efficiency compared to a thumb-release method. A practical demonstration using a shot timer confirms the thumb-release method is faster.

Quick Summary

The HK slap reloading technique is often avoided due to potential interference with modern optics, risk of mechanical wear on the receiver over time, and reduced efficiency. A thumb-release method is typically faster and safer for the firearm.

Chapters

  1. 00:00Intro: The HK Slap Debate
  2. 00:20Reason 1: Optics Interference
  3. 00:29Reason 2: Mechanical Wear Risk
  4. 00:45Reason 3: Efficiency & Speed
  5. 01:21MP5 Manual of Arms Explained
  6. 01:45Performance Comparison: Slap vs. Thumb Release

Frequently Asked Questions

What are the main reasons to avoid the HK slap reloading technique?

The HK slap can interfere with modern optics, potentially cause mechanical wear on the firearm's receiver over time, and is generally less efficient and slower than using a thumb to release the charging handle.

Does the HK slap damage firearms like the MP5?

Repeatedly performing the HK slap can lead to mechanical wear or stripping of the metal on the receiver. While not immediate destruction, it can contribute to premature wear and potential damage to the firearm.

Is the HK slap faster than other reloading methods?

No, empirical testing using a shot timer shows the HK slap is slower. A thumb-release method on an MP5 took 3.58 seconds, while the HK slap took 4.22 seconds, indicating a noticeable speed disadvantage.

Why must the MP5 bolt be manually locked back?

The MP5 lacks a last-round bolt hold-open feature. This means after firing the last round, the bolt will not stay open automatically, requiring the user to manually pull the charging handle back and lock it to reload.

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