SOLGW - What is the A5 system? And why do we use it?

Published on August 19, 2020
Duration: 2:46

This guide details the installation of the VLTOR A5 Buffer System, a modification that enhances AR-15 performance, particularly when suppressed. The video, presented by Mike from Sons of Liberty Gun Works, highlights the system's proprietary longer receiver extension and buffer, which utilize a rifle-length spring and an internal biasing spring for consistent weight distribution. This leads to improved cycling function, making the rifle more forgiving with various ammunition types and gas system pressures.

Quick Summary

The VLTOR A5 Buffer System is a significant upgrade for AR-15 platforms, especially for suppressed use. It features a proprietary longer receiver extension and buffer with a rifle-length spring and internal biasing spring. This design enhances cycling consistency, improves forgiveness with various ammunition and gas pressures, and reduces felt recoil compared to standard carbine systems.

Chapters

  1. 00:00Introduction to the A5 System
  2. 00:11Spring Length and Weight Distribution
  3. 00:48System Forgiveness and Versatility
  4. 01:05Proprietary Components
  5. 01:27The Biasing Spring Feature
  6. 02:26Conclusion and Benefits

Frequently Asked Questions

What is the main advantage of the VLTOR A5 Buffer System?

The VLTOR A5 Buffer System enhances AR-15 reliability and forgiveness, particularly when running suppressed or with various ammunition types. It achieves this through a proprietary longer receiver extension and buffer, utilizing a rifle-length spring and an internal biasing spring for consistent operation.

What components are proprietary to the VLTOR A5 Buffer System?

The VLTOR A5 Buffer System requires a proprietary A5 buffer and a longer receiver extension (buffer tube) than standard carbine systems. It also uses a rifle-length spring, differentiating it from typical carbine buffer setups.

How does the A5 system improve cycling function?

The A5 system improves cycling by using a rifle-length spring for better weight distribution and an internal biasing spring in the buffer to ensure consistent mass movement. This makes the rifle more forgiving of gas system variations and ammunition types.

Is the A5 Buffer System compatible with all AR-15s?

The A5 Buffer System is designed for AR-15 platforms, typically those chambered in 5.56 NATO. It requires specific A5 buffer tubes and buffers, and is not a direct drop-in replacement for all carbine buffer systems without changing the receiver extension.

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