Ruger SR-556 review by Nutnfancy, Pt 1

Published on October 18, 2009
Duration: 23:53

This Ruger SR-556 review by Nutnfancy highlights its piston-driven system as a key differentiator in the AR-15 market, offering cleaner operation. The rifle comes equipped with quality accessories like Troy sights and Magpul PMAGs, making it a complete package out of the box. While effective for defensive and competition use, the review notes potential reliability issues with certain underpowered ammunition and the proprietary muzzle device's lack of wrench flats.

Quick Summary

The Ruger SR-556 features a piston-driven system for cleaner operation and comes complete with a CAA stock, Hogue grip, and Magpul PMAGs. Its 16.25-inch cold hammer-forged barrel and Troy sights make it suitable for defense and competition, though certain underpowered ammo may cause reliability issues.

Chapters

  1. 00:00Introduction & Field Testing
  2. 02:18Independence & Philosophy of Use (POU)
  3. 06:10Piston System Innovation
  4. 07:50Out-of-the-Box Accessories
  5. 09:20Troy Industries Sights & Rails
  6. 13:52Barrel & Muzzle Device Specs
  7. 17:35Adjustable Gas System & Ammo Reliability

Frequently Asked Questions

What is the main advantage of the Ruger SR-556's piston system?

The piston-driven system on the Ruger SR-556 keeps the bolt carrier group cleaner and cooler than traditional direct impingement systems. This significantly reduces the need for frequent cleaning, especially during high-round-count shooting sessions.

What accessories come standard with the Ruger SR-556?

The Ruger SR-556 is sold as a complete package, including a 6-position CAA retractable stock, a Hogue Monogrip, and three 30-round Magpul PMAG magazines. These are considered high-quality additions by reviewer Nutnfancy.

How reliable is the Ruger SR-556 with different types of ammunition?

While generally reliable, the SR-556 experienced issues with underpowered steel-cased Wolf ammunition when using the higher settings on its adjustable gas system. It performs best with standard or hotter loads.

What are the key specifications of the Ruger SR-556 barrel?

The barrel is 16.25 inches long, cold hammer-forged, and chrome-lined using 41V45 steel. It features a thick profile for rigidity and sustained fire capability, with a 1:9 twist rate.

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