Arc-Fire from AsDesigns runs like butter babby!!! 🧈 3 Position FRT for the MP5-winner chicken dinner

Published on November 11, 2025
Duration: 2:20

This video demonstrates the installation of the AS Designs Arc-Fire FRT into an MP5 platform utilizing an AS Designs lower receiver that accepts AR-15 control groups. The presenter highlights the three-position selector (Safe, Semi, Full Auto) and showcases its functionality with positive shooting impressions. The installation requires a specific lower receiver compatible with AR-15 parts.

Quick Summary

The AS Designs Arc-Fire FRT is a three-position fire control group for MP5-compatible firearms, enabling Safe, Semi-Automatic, and Full-Automatic fire modes. Installation requires an AS Designs lower receiver designed to accept AR-15 control groups. Users report a smooth 'butter-like' operation and impressive full-auto performance.

Chapters

  1. 00:00Introduction to Arc-Fire FRT
  2. 00:04Three-Position Selector Explained
  3. 00:16MP5 Build with AS Designs Lower
  4. 00:32Ambidextrous Selector and Positions
  5. 00:48First Shots and Function Check
  6. 01:05Safe Mode Demonstration
  7. 01:06Semi-Automatic Mode Demonstration
  8. 01:17Full Auto Mode Demonstration
  9. 01:32Shooting Impressions
  10. 01:42AS Designs Arc-Fire Review Summary
  11. 01:47Future Build Plans (AR-15)
  12. 02:01Final Thoughts on Arc-Fire FRT

Frequently Asked Questions

What is the AS Designs Arc-Fire FRT and what does it do?

The AS Designs Arc-Fire FRT is a fire control group designed for MP5-compatible firearms. It features a three-position selector allowing for Safe, Semi-Automatic, and Full-Automatic firing modes, enhancing the firearm's versatility.

What specific lower receiver is needed for the AS Designs Arc-Fire FRT in an MP5?

To install the AS Designs Arc-Fire FRT in an MP5, you need an AS Designs lower receiver that is specifically designed to accept AR-15 control groups. This ensures proper compatibility and function of the fire control mechanism.

How does the Arc-Fire FRT compare to a standard MP5 selector?

The Arc-Fire FRT replaces the traditional push-button selector on an MP5 with a more conventional switch-style selector, offering three distinct positions: Safe, Semi, and Full Auto. This provides a familiar and functional interface for users.

What are the shooting impressions of the AS Designs Arc-Fire FRT?

The presenter describes the Arc-Fire FRT as 'runs like butter,' indicating a smooth and reliable cycling experience. The full-auto function was tested and deemed impressive, contributing to a positive overall impression.

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