S15® Gen 3 - 15-Round Steel Magazine for Glock® 43X®/48
What is the Shield Arms S15® Gen 3?
A patented 15-round steel magazine for Glock® 43X®/48 pistols that increases capacity by 50% while maintaining the same flush-fit profile as OEM magazines. Requires Shield Arms steel magazine catch for optimal performance.
The Shield Arms S15® Gen 3 is a 15-round steel magazine designed for Glock® 43X® and Glock® 48 pistols. This patented magazine increases capacity by 50% over standard 10-round OEM magazines while maintaining the same flush-fit profile, making it ideal for concealed carry without sacrificing concealability.
Constructed from premium steel with a QPQ nitrocarburized finish, the S15® Gen 3 offers superior durability and corrosion resistance compared to polymer OEM magazines. The innovative patented staggered-round geometry maximizes capacity while ensuring reliable feeding and function.
Gen 3 Improvements
Enhanced steel construction with improved thickness and toughness
New US-based manufacturing for consistent quality
Raised ribs on magazine back for perfect OEM positioning
QPQ nitrocarburized finish for maximum corrosion resistance
Modular tooling for precision manufacturing
Key Features
15-round capacity in flush-fit profile
Steel construction for enhanced durability
Easy-remove impact resistant base pad
Compatible with Shield Arms magwells
Patented staggered round geometry
QPQ nitrocarburized finish for wear resistance
Important Note: Requires Shield Arms steel mag catch (standard or premium) for optimal performance. Using OEM plastic mag catch may result in reliability issues.
Proudly manufactured in the USA.
Perfect for concealed carry, home defense, and competitive shooting applications where maximum capacity and reliability are essential. Pair with the Shield Arms Carry Magwell for even faster reloads, or add the a +5 Aluminum Extension to reach 20-round capacity for competition or range use.
These are RESTRICTED in some states. Your order will be CANCELLED if you are in a high-capacity restricted state.(State Restrictions)
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
Warranty Information
Any warranty issues with this product must be handled directly with Shield Arms. (Manufacturer's Warranty)
