Shield Arms S15 Gen3 Magazine for Glock 43X/48

Superior Capacity in a Compact Package

The Shield Arms S15 Gen3 magazine represents a significant advancement in concealed carry ammunition capacity. This patented flush-fitting design holds 15 rounds of 9mm ammunition while maintaining the exact same overall length as Glock's factory 10-round magazine.

Engineering Excellence

Shield Arms achieved this 50% capacity increase through innovative magazine geometry that staggers rounds efficiently within the same footprint. The result is a magazine that:

• Fits flush with your Glock 43X or 48 frame
• Maintains full compatibility with standard holsters and carry systems
• Delivers the reliability Glock pistols are known for
• Functions flawlessly with factory ammunition

Gen3 Improvements

The third generation brings meaningful refinements:

• New US-based manufacturing ensures consistent quality control
• Raised ribs on the magazine back precisely match OEM positioning, eliminating tolerance stacking issues from frame variations
• Enhanced steel construction with improved thickness and durability
• QPQ nitrocarburized finish provides superior corrosion resistance through a hardened surface layer

Durability and Finish

The QPQ nitrocarburizing process creates a thin, extremely hard compound layer on the steel surface. This professional-grade treatment significantly extends magazine life and protects against rust and wear in all conditions.

Made in America

Proudly manufactured in the United States with uncompromising attention to detail and quality.