Customizing the Ruger SFAR

Published on June 15, 2023
Duration: 15:40

This video details custom modifications for the Ruger SFAR, focusing on improving ergonomics and accessory mounting. Key upgrades include replacing the factory handguard with a Midwest Industries Combat Rail for a full top rail and reduced weight. The presenter also advises on buffer spring and charging handle choices, while strongly cautioning against altering the proprietary barrel and bolt carrier group due to Ruger's unique pressure-handling alloys.

Quick Summary

The Ruger SFAR is compatible with standard AR-15 lower receiver parts and accepts AR-15 handguard mounting systems. However, Ruger uses proprietary super-alloys and pressure relief systems in the bolt and barrel extension, making replacement of these components ill-advised for safety.

Chapters

  1. 00:00Intro: Ruger SFAR Review & Issues
  2. 01:03Factory Handguard Problems
  3. 02:51Battle Rifle Concept & Rail Limits
  4. 03:54AR-15 Handguard Compatibility
  5. 06:58Ejection Port Door Fix
  6. 07:32Gas Regulator System Advice
  7. 08:46Muzzle Device & Recoil Impact
  8. 09:50Lower Receiver Parts
  9. 11:22Buffer & Charging Handle Upgrade
  10. 12:07Proprietary Barrel & Bolt Warning

Frequently Asked Questions

What AR-15 parts are compatible with the Ruger SFAR?

The Ruger SFAR is compatible with standard AR-15 lower receiver parts like the safety selector, grip, and trigger. It also accepts AR-15 sized charging handles and buffers. However, it uses AR-15 handguard mounting systems, not AR-10/LR-308 patterns.

Why should I avoid replacing the Ruger SFAR barrel or bolt carrier group?

Ruger utilizes proprietary super-alloys and specialized pressure relief systems within the SFAR's bolt head and barrel extension. These are engineered to safely handle .308 Winchester pressures within an AR-15 sized action, making aftermarket replacements unsafe.

What is the main issue with the factory Ruger SFAR handguard?

The primary criticism of the factory handguard, especially on the 16-inch model, is its interrupted top Picatinny rail and aggressive cuts. This design limits the ability to securely mount accessories like weapon lights, lasers, or tape switches.

How can I fix the ejection port door axle issue after changing the handguard?

When replacing the handguard, the ejection port door axle might slide out. Using a Magpul dust cover is recommended because it is spring-retained and does not require the handguard to hold the axle in place.

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