Shield Arms DS-20 Glock 17 Magazine, 20-Round

Shield Arms DS-20 Magazine for Glock 17

The Shield Arms DS-20 represents a thoughtful approach to extending your Glock 17's capacity without sacrificing the ergonomics and handling characteristics that make the platform so popular.

Capacity and Fit

This magazine delivers 20 rounds of 9mm ammunition while maintaining a flush fit with standard Glock 17-size frames. You gain three additional rounds compared to factory magazines without the extended profile that can complicate carry or storage.

Construction and Durability

Materials and Finish:

• Heat-treated steel body (RHC 45-50 hardness)
• Black nitrocarburized finish for corrosion resistance
• Custom high-impact nylon components for reliability
• Over-insertion tabs to prevent seating errors

Performance Features

• Engineered for smooth, reliable feeding in Glock 17 pistols and compatible Gen 3 clones
• Compatible with Shield Arms magwells for enhanced ergonomics
• Designed to OEM-level reliability standards
• Built for shooters who demand consistent performance across every round

Whether you're training, competing, or carrying, the DS-20 provides the capacity advantage you want without compromising the proven reliability of your Glock platform.