New Glock 43X Steel 15 Round Magazines

Published on April 4, 2026
Duration: 1:52

This video reviews the new 15-round steel magazines for the Glock 43X and Glock 48. The presenter highlights the increased capacity compared to the original 10-round magazines and notes the steel-lined construction. While the magazines are longer, they are confirmed to seat properly with the slide closed and are designed to aid in stripping the magazine if a double feed occurs.

Quick Summary

The new standard capacity steel magazines for the Glock 43X and Glock 48 hold 15 rounds, a significant increase from the original 10-round capacity. These magazines are steel-lined and feature cuts for ambidextrous magazine release. They seat properly with the slide closed and their increased length can aid in stripping during malfunctions.

Chapters

  1. 00:00Introduction to New Magazines
  2. 00:0515 Round Steel Magazine Overview
  3. 00:13Comparison to Original 10 Round Magazines
  4. 00:19Steel Lined Construction
  5. 00:26Ambidextrous Mag Release Cut
  6. 00:34Loading 15 Rounds
  7. 00:46Magazine Rib for Capacity
  8. 00:54Increased Magazine Length
  9. 01:00Length Comparison to Factory Mag
  10. 01:11Range Testing Plans
  11. 01:21Seating Mag with Slide Closed
  12. 01:30Benefit for Stripping Mags
  13. 01:33Conclusion and Future Video

Frequently Asked Questions

What is the capacity of the new steel magazines for the Glock 43X and 48?

The new standard capacity steel magazines for the Glock 43X and Glock 48 hold 15 rounds. This is a significant increase from the original factory magazines, which typically held 10 rounds.

Are the new 15-round Glock magazines steel-lined?

Yes, the new 15-round steel magazines for the Glock 43X and 48 are steel-lined. This construction is highlighted as a key feature compared to some other magazine options.

Do the 15-round Glock magazines fit with the slide closed?

Yes, the video confirms that the new 15-round steel magazines for the Glock 43X and 48 seat properly even when the firearm's slide is closed and fully loaded.

What is the main difference in size between the new 15-round magazines and the factory 10-round magazines?

The new 15-round steel magazines are noticeably longer than the factory 10-round magazines. This increased length provides a longer grip on the firearm and can aid in magazine stripping during malfunctions.

More Tactical & Gear Videos You Might Like

More from Mrgunsngear Channel

View all →