Customizing the Ruger SFAR

Published on June 15, 2023
Duration: 15:40

This guide details the process of customizing the Ruger SFAR, focusing on replacing the factory handguard and addressing lower receiver compatibility. It highlights the SFAR's unique use of AR-15 compatible handguards and lower parts, while cautioning against proprietary components like the barrel and bolt. The video emphasizes practical modifications for improved accessory mounting and ergonomics.

Quick Summary

The Ruger SFAR offers significant AR-15 compatibility for its lower receiver parts, including the safety, grip, and trigger. It also accepts AR-15 handguards. However, Ruger uses proprietary super-alloys and pressure relief systems in the barrel and bolt carrier group, making replacement of these specific components strongly inadvisable due to safety concerns.

Chapters

  1. 00:00Introduction to Ruger SFAR
  2. 01:03Factory Handguard Issues
  3. 02:51Battle Rifle Concept
  4. 03:54Handguard Compatibility
  5. 06:58Ejection Port and Dust Cover
  6. 07:32Gas Regulator System
  7. 08:46Muzzle Devices and Recoil
  8. 09:50Lower Receiver Customization
  9. 11:22Buffer and Charging Handle
  10. 12:07Proprietary Barrel and Bolt

Frequently Asked Questions

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

The Ruger SFAR is largely compatible with standard AR-15 lower receiver parts, including the safety selector, grip, and trigger. It also accepts AR-15 sized charging handles and uses AR-15 compatible handguards, unlike many AR-10 platforms.

Why is replacing the Ruger SFAR barrel or bolt carrier group not recommended?

Ruger employs proprietary super-alloys and specialized pressure relief systems within the SFAR's bolt head and barrel extension. These are critical for safely handling the .308 Win cartridge within an AR-15 sized action, making aftermarket replacements ill-advised.

What are the benefits of replacing the Ruger SFAR's factory handguard?

The factory handguard on the 16-inch SFAR has an interrupted top rail, limiting accessory mounting. Aftermarket options like the Midwest Industries Combat Rail offer a full top rail for better accessory placement and are often lighter than the factory unit.

What is the correct buffer and spring combination for the Ruger SFAR?

The Ruger SFAR uses a standard AR-15 length buffer tube but requires a specific combination: a .308 Win recoil spring paired with a 3-ounce AR-15 carbine buffer. This setup is crucial for reliable operation.

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