The Shield Arms S15-ME-5INS-G3-BLK is a premium 20 round flush-fit magazine designed for Glock 43X and Glock 48 models. This innovative magazine enhances your firearm's capacity while maintaining a sleek profile.Featuring patented modular tooling, the S15 ensures optimal fit and reliability. The raised ribs align perfectly with OEM magazine positioning for seamless handling. Durably constructed with a QPQ nitrocarburizing surface treatment, this magazine withstands wear while the +5 baseplate provides extended capacity.Flush-fitting design for enhanced concealabilityPrecision-engineered for Glock compatibilityDurable construction with nitrocarburizing treatmentIncreased capacity with +5 baseplateElevate your shooting experience with the Shield Arms S15 magazine.