Experience enhanced performance with the Shield Arms SA-S15-NC-GEN3 15-Round Flush-Fitting Magazine, designed specifically for Glock 43X and 48. This innovative magazine provides reliable feeding with a sleek, compact profile. Engineered for durability, the S15 magazine features a patented design ensuring optimal functionality. Its QPQ nitrocarburizing surface treatment significantly enhances corrosion resistance and wear durability, making it ideal for everyday use. Modular Tooling for Customization Raised Ribs on the Back for OEM Fit Exceptional QPQ Nitrocarburizing Surface Treatment Optimize your Glock's performance with the Shield Arms S15 magazine and enjoy superior reliability on the range or in the field.