Ruger Disassembly Tech Tip for the Elite 452® AR 2 Stage Trigger

Published on June 9, 2015
Duration: 3:47

This Ruger Tech Tip provides a detailed, step-by-step guide on how to disassemble the lower receiver of a Ruger AR-15 rifle to prepare for the installation of the Elite 452 AR 2-Stage Trigger system. The instruction emphasizes safety, proper tool usage, and careful handling of small parts like springs and plungers during the process. It covers removing the grip, safety selector, hammer, and trigger assembly.

Quick Summary

To disassemble a Ruger AR-15 lower receiver for trigger installation, first ensure the rifle is cleared and field stripped. Separate the upper and lower receivers, then remove the grip using a 3/16" Allen wrench, being cautious of the internal spring and plunger. Next, remove the safety selector, ease the hammer forward by pulling the trigger, and then drive out the hammer and trigger pivot pins from left to right.

Chapters

  1. 00:11Introduction to Ruger AR-15 Disassembly
  2. 00:20Preparing the Rifle for Disassembly
  3. 00:44Separating Upper and Lower Receivers
  4. 00:56Removing the Grip and Spring/Plunger
  5. 01:30Removing the Safety Selector
  6. 01:32Easing the Hammer Forward
  7. 01:41Removing the Hammer Pivot Pin
  8. 01:55Removing the Hammer
  9. 02:01Removing the Trigger Pivot Pin
  10. 02:06Removing the Trigger Assembly
  11. 02:19New Trigger System Overview
  12. 03:37Conclusion and Next Steps

Frequently Asked Questions

What tools are needed to disassemble a Ruger AR-15 lower receiver for trigger installation?

You will need a soft-faced hammer, a 3/16" long-stemmed Allen wrench for the grip, a 3/32" punch for pivot pins, and safety glasses. Ensure the rifle is cleared and field stripped before starting.

What should I be aware of when removing the grip from a Ruger AR-15 lower receiver?

When removing the grip, be mindful of a spring and plunger assembly that is held in place by the grip. These parts can dislodge, so handle the grip carefully and be prepared to catch them.

How do I properly remove the hammer and trigger pivot pins on a Ruger AR-15?

The hammer and trigger pivot pins should be driven out from left to right. Use a 3/32" punch and a soft-faced hammer, applying a single firm tap to dislodge the pins.

What is the first step in disassembling a Ruger AR-15 for trigger replacement?

The first step is to ensure the rifle is completely cleared and field stripped. Then, separate the upper receiver from the lower receiver by pushing out the pivot pin.

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