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 a handgun's slide drops upon magazine insertion. Vickers demonstrates the correct technique of driving the magazine straight up the magwell to prevent premature slide release, a common issue with polymer-framed pistols like early M&P, HK, and some Glocks. This method, credited to Ken Hackathorn, ensures consistent firearm operation and reliability.

Quick Summary

Prevent the 'auto-load' on polymer handguns by inserting magazines straight up into the magwell. This technique, demonstrated by Larry Vickers, avoids engaging the slide release prematurely, ensuring reliable operation. Forceful, angled magazine insertion can cause the slide to drop unexpectedly.

Chapters

  1. 00:00Introduction: BCM Auto-Load Tip
  2. 00:12What is the Auto-Load Phenomenon?
  3. 00:45Affected Pistol Models
  4. 01:00The Correct Magazine Seating Technique
  5. 01:27Reliability Concerns with Auto-Load

Frequently Asked Questions

What causes the 'auto-load' on a handgun?

The 'auto-load' occurs when seating a magazine forcefully at an angle towards the muzzle. The momentum can engage the slide release, causing the slide to drop automatically. This is more common in lighter polymer-framed pistols.

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

To prevent the 'auto-load', insert the magazine straight up into the magwell. This technique, often credited to Ken Hackathorn, minimizes the forward inertia that can prematurely release the slide.

Which handguns are prone to the 'auto-load' issue?

Handguns prone to the 'auto-load' include early Smith & Wesson M&P models, Heckler & Koch (HK) pistols, and certain Glock models. The lighter polymer frame combined with slide design contributes to this.

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