ProMag GLKA11 Magazine for Glock 23/27 .40 S&W

The ProMag GLKA11 is a detachable replacement magazine designed for use with Glock 23 and Glock 27 pistols chambered in .40 S&W. Its body is built from a DuPont Zytel-based polymer with a full-length internal steel insert for structural support. The magazine uses an injection-molded follower and a spring formed from heat-treated chrome silicon wire, and is produced in the United States. It offers a black finish and is intended as a serviceable spare for range, training, or duty use.

Key Specifications

• Compatibility: fits Glock 23 and Glock 27 (Gen 1–4).
• Caliber: .40 S&W.
• Body construction: DuPont Zytel polymer with full-length steel internal insert.
• Follower: Injection-molded magazine follower.
• Spring: Heat-treated chrome silicon wire spring.
• Finish: Black.
• Listed dimensions: 1.60 x 2.85 x 9.90.
• Listed weight: 0.18.
• Manufacture: Made in the USA.

Built to provide a dependable, serviceable magazine option, the GLKA11 blends polymer construction with a steel insert and quality internal components for consistent function during regular range use, training, or duty routines. Its straightforward design and proven materials make it a practical choice for shooters looking to expand magazine availability without unnecessary complexity.