Mac5 MP5 with AsDesigns lower paired with a Super Safety!!!

Published on August 11, 2025
Duration: 11:11

This guide details the process of installing an AS Designs lower receiver and a Super Safety selector on an MP5 variant, enabling AR-15 controls and a force reset trigger. The process involves modifications to the trigger and hammer, as well as ensuring clearance with the firearm's internal components. The AS Designs lower is highlighted for its compatibility with AR-15 trigger groups, making it a popular upgrade for MP5 platforms.

Quick Summary

Installing an AS Designs lower on an MP5 allows for AR-15 controls and a Super Safety. This requires modifying the trigger with a 90-degree cut and potentially rounding the hammer. A trip mechanism is essential for the force reset function, and clearance with the denial block may need adjustment.

Chapters

  1. 00:00Introduction: MP5 with AS Designs Lower
  2. 00:21Favorite Gun & HK Slap
  3. 00:51AS Designs Lower Details
  4. 01:29AR-15 Controls & Super Safety
  5. 01:51Super Safety Installation Requirements
  6. 02:07Trip Mechanism & Force Reset
  7. 02:22Hammer & Buffer Pad Modifications
  8. 02:56Force Resetting Trigger Demonstration
  9. 03:36Magazine Issues & Performance
  10. 04:13Shooting Demonstration & MP5 Heat
  11. 04:46Going Fast & Enjoying the MP5
  12. 05:31Future Builds & Other Projects
  13. 06:05Ammunition Consumption & Dueling Tree
  14. 06:30Call to Action & Channel Support

Frequently Asked Questions

What are the key components needed to install a Super Safety on an MP5 with an AS Designs lower?

You'll need the AS Designs lower receiver, a Super Safety selector, and a trip mechanism. Modifications to the trigger, such as a 90-degree or angled cut, and potentially rounding the hammer are also required for proper function.

Why is an AS Designs lower receiver beneficial for MP5 owners?

The AS Designs lower receiver is beneficial because it allows for the use of standard AR-15 compatible trigger groups and safeties, offering more customization options and the ability to install features like a Super Safety and force reset trigger.

What modifications are necessary for the trigger and hammer when installing a Super Safety?

The trigger typically needs a 90-degree or angled cut to accommodate the Super Safety. The hammer may also require rounding to prevent it from binding with the new safety mechanism, ensuring smooth operation.

Can the factory MP5 selector be used with an AS Designs lower and Super Safety?

No, the factory MP5 selector cannot be used. The AS Designs lower is designed to accept AR-15 style controls, and a specific Super Safety selector is required for this conversion, along with a trip mechanism.

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