Ruger® AR-556® Reassembly Tech Tip

Published on June 10, 2015
Duration: 3:31

This guide details the reassembly process for the Ruger AR-556 rifle, presented by a Ruger technical representative. It covers critical steps from bolt assembly to handguard installation, emphasizing proper alignment and common pitfalls to avoid. The instruction is professional and safety-conscious, suitable for intermediate users.

Quick Summary

Proper reassembly of the Ruger AR-556 involves securing the bolt carrier group, buffer, and spring, followed by handguard installation. Key steps include correctly aligning the extractor and gas rings on the bolt, inserting the cam and firing pins, and ensuring the bolt is forward before sliding the carrier into the upper receiver. Avoid omitting the buffer and spring to prevent charging tube issues.

Chapters

  1. 00:00Introduction and Safety
  2. 00:28Bolt Carrier Assembly
  3. 01:19Cam Pin and Firing Pin Installation
  4. 01:57Upper Receiver Reassembly
  5. 02:20Buffer, Spring, and Closing the Action
  6. 02:45Handguard Installation

Frequently Asked Questions

What are the key steps for reassembling the bolt carrier group of a Ruger AR-556?

Reassembly involves installing the extractor with its O-ring, ensuring gas ring gaps are staggered, and inserting the bolt into the carrier with the extractor facing the ejection port. The cam pin is then aligned, inserted, and rotated, followed by the firing pin and cotter pin.

What is a common mistake to avoid when installing the buffer and spring in a Ruger AR-556?

A critical mistake to avoid is omitting the buffer and buffer spring from the lower receiver. Failure to install these components can lead to the bolt getting stuck in the charging tube during operation.

How are the handguards installed on the Ruger AR-556 during reassembly?

Handguard installation involves unscrewing the Delta ring, placing the top handguard first, followed by the bottom handguard. The Delta ring is then tightened, ensuring it is snug but not overtightened.

What safety precautions should be taken before reassembling the Ruger AR-556?

Before reassembly, always ensure you have a clean, well-lit workspace and confirm that no live ammunition is present. Wearing safety glasses is also mandatory throughout the process.

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