Can I get a tax stamp and go?

Published on June 3, 2024
Duration: 0:33

This guide details the correction of a common AR-15 trigger assembly error that can lead to unintended full-auto fire. A gunsmith demonstrates how an incorrectly installed hammer spring and a missing sear spring caused a malfunction. Proper identification and reinstallation of these components are crucial for safe and reliable firearm operation. Instruction is provided by an expert gunsmith from D'Boss Firearms.

Quick Summary

An AR-15 rifle may go full auto due to improper trigger assembly, specifically an upside-down hammer spring or a missing sear spring. These errors prevent proper trigger reset, causing the hammer to follow the bolt. Correct installation of both springs is essential for safe semi-automatic operation.

Chapters

  1. 00:00Rifle Full Auto Malfunction Explained
  2. 00:13Gunsmith Inspects Trigger Assembly
  3. 00:18Customer Questions Spring Orientation
  4. 00:21Identifying Hammer & Sear Spring Errors
  5. 00:28Humorous Tax Stamp Query

Frequently Asked Questions

What causes an AR-15 rifle to go full auto unexpectedly?

An AR-15 rifle can go full auto unexpectedly due to improper trigger assembly. Common causes include the hammer spring being installed upside down or the sear spring being missing. These issues prevent the trigger from resetting correctly, allowing the hammer to follow the bolt carrier group.

How do you fix a full-auto malfunction in an AR-15 trigger assembly?

To fix an AR-15 full-auto malfunction, first ensure the rifle is unloaded. Then, disassemble the lower receiver to access the trigger group. Verify the hammer spring is correctly oriented over the hammer pin and that the sear spring is present and properly seated. Reassemble carefully and test function.

What is the role of the hammer spring and sear spring in an AR-15 trigger?

The hammer spring provides the force to drive the hammer forward to ignite the primer. The sear spring ensures the sear engages the hammer properly and also aids in the trigger reset mechanism. Both are critical for safe and correct semi-automatic function.

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