BCM Training Tip - Preventing the "Auto-Load"

Published on February 5, 2021
Duration: 2:05

This BCM training tip from Larry Vickers addresses the 'auto-load' phenomenon, where seating a magazine causes the handgun slide to drop prematurely. Vickers explains this is common in lighter polymer-framed pistols like certain M&P, HK, and Glock models. He demonstrates the correct technique of driving the magazine straight up the magwell, a method credited to Ken Hackathorn, to ensure reliable slide lock-back and prevent accidental chambering.

Quick Summary

Prevent the 'auto-load' phenomenon in handguns by mastering proper magazine insertion. Larry Vickers advises driving the magazine straight up the magwell, a technique credited to Ken Hackathorn. This ensures reliable slide lock-back and avoids premature chambering, especially in polymer-framed pistols like M&P, HK, and Glock models.

Chapters

  1. 00:00Introduction to BCM Training Tip
  2. 00:12Defining the Auto-Load Phenomenon
  3. 00:45Handguns Prone to Auto-Load
  4. 01:00The Solution: Proper Magazine Seating
  5. 01:27Reliability Concerns of Auto-Load

Frequently Asked Questions

What is the 'auto-load' phenomenon in handguns?

The 'auto-load' phenomenon occurs when forcefully inserting a magazine into a handgun causes the slide to automatically release and chamber a round, instead of remaining locked to the rear. This is common in lighter polymer-framed pistols.

How can I prevent the 'auto-load' when inserting a magazine?

To prevent the 'auto-load,' drive the magazine straight up into the magwell with a firm, upward motion. Avoid inserting it at an angle towards the muzzle, which can trigger the slide release.

Which handguns are most susceptible to the 'auto-load' issue?

Polymer-framed handguns, particularly early M&P models, some HK pistols, and certain Glocks, are more prone to the 'auto-load' phenomenon due to the weight difference between the frame and slide.

Why is relying on the 'auto-load' feature a problem?

Relying on the 'auto-load' is risky because it's inconsistent. Eventually, the slide may drop on an empty chamber, which is a critical failure during a defensive or training scenario.

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