Why 29 Rounds, not 30 | AR Mags

Published on March 3, 2020
Duration: 8:09

This guide details the tactical reload technique as explained by John Lovell of Warrior Poet Society. It emphasizes performing reloads while the firearm is still operational, a common practice in combat scenarios. The core principle is ensuring reliable magazine seating on a closed bolt, often achieved by loading 29 rounds instead of 30.

Quick Summary

Loading 29 rounds into a 30-round AR-15 magazine is recommended for reliable seating on a closed bolt, especially during tactical reloads under stress. This ensures the magazine locks securely, preventing it from falling out, a common issue with fully loaded 30-round magazines.

Chapters

  1. 00:00Intro and Shooting Demonstration
  2. 02:32The 29-Round Controversy
  3. 03:08Tactical vs. Emergency Reloads
  4. 05:17Mechanical Rationale for 29 Rounds
  5. 06:35Demonstrating the Tactical Reload

Frequently Asked Questions

Why is it recommended to load only 29 rounds in a 30-round AR-15 magazine?

Loading 29 rounds in a 30-round AR-15 magazine ensures reliable seating on a closed bolt. The extra space allows the magazine spring to compress sufficiently, preventing it from falling out during a tactical reload under stress.

What is the difference between a tactical reload and an emergency reload?

A tactical reload is performed while the firearm is still functional, allowing the operator to maintain situational awareness. An emergency reload is done only when the firearm has run dry, often under more immediate pressure.

How do you perform a tactical reload on an AR-15?

To perform a tactical reload, keep eyes on the threat, remove the partially depleted magazine, insert a fresh one firmly, and perform a tug test to ensure it's locked. This is best practiced with 29 rounds in a 30-round magazine for reliability.

What is the main benefit of using 29 rounds in an AR-15 magazine for tactical reloads?

The primary benefit is ensuring the magazine seats reliably on a closed bolt. A full 30-round magazine can lack the necessary spring 'give' to lock securely under stress, potentially causing it to detach.

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