ProMag GLK13 10rd Polymer Magazine for Glock 43 (9mm)

The ProMag GLK13 is a 10-round replacement magazine designed for the Glock Model 43 compact pistol. It pairs a DuPont Zytel-based polymer magazine body with a full-length steel internal insert to mirror the form factor and support of factory magazines. The GLK13 uses an injection-molded follower and a heat-treated chrome silicon wire spring to provide consistent feeding and reliable function in a slim profile.

Key Specifications

• Holds 10 rounds.
• Chambered for 9mm.
• Compatible with the Glock 43.
• Magazine body constructed of DuPont Zytel-based polymer with a full-length steel internal insert.
• Features an injection-molded follower for consistent feeding.
• Uses a heat-treated chrome silicon wire spring.
• Finish is black.
• Made in USA.
• Listed dimensions: 1.20 x 2.15 x 7.85.
• Shipping weight listed as 0.2.

Built for compact carry pistols, the GLK13 provides a low-profile spare magazine option that balances lightweight handling with internal steel support. Its straightforward design and proven materials make it a practical choice for Glock 43 owners who want a reliable, easy-to-maintain magazine for everyday carry or as a backup in a range bag.