DS-18 Magazine for Glock 19

The Shield Arms DS-18 delivers 18 rounds of 9mm capacity for your Glock 19 in nearly the same footprint as factory magazines. Featuring an over-insertion stop stamped into the steel body, the DS-18 provides +3 rounds with OEM-level reliability. Made in USA.
Availability: Out of stock
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Key Features

  • 18-round capacity - +3 rounds over Glock OEM magazines
  • Near-OEM footprint - Minimal size increase for concealment
  • Over-insertion stop - First aftermarket Glock mag with this feature
  • Premium steel construction - Built for reliability and durability
  • Made in USA - Manufactured in Bigfork, Montana

Compatible With

  • Glock 19
  • Glock 26

Maximum Capacity in a Compact Package

The Shield Arms DS-18 magazine revolutionizes aftermarket Glock 19 magazines by delivering 18 rounds of 9mm ammunition in nearly the same footprint as factory 15-round Glock magazines. This breakthrough design gives Glock 19 owners +3 rounds of additional capacity without the bulk typically associated with extended magazines.

Whether you carry your Glock 19 for concealed carry, home defense, duty use, or competitive shooting, the DS-18 provides crucial extra capacity while maintaining the compact profile that makes the Glock 19 one of the most popular handguns in the world.

Engineering Excellence: Over-Insertion Stop Technology

Shield Arms brings OEM-level over-insertion protection to aftermarket Glock magazines with the DS-18's integrated over-insertion stop. 

Why the Over-Insertion Stop Matters

The over-insertion stop is a critical reliability feature that:

  • Ensures proper seating depth - Prevents the magazine from being inserted too far into the magazine well
  • Eliminates feeding malfunctions - Maintains correct ammunition presentation to the feed ramp
  • Provides consistent lockup - Ensures the magazine catch engages properly every time
  • Delivers OEM reliability - Functions with the same mechanical precision as Glock factory magazines
Products specifications
Firearms Manufacturer Glock
Firearms Model Glock 19/23 Gen 3, Glock 19/23 Gen 4/5, Glock 26/27 Gen 3

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