ProMag 5.7x28mm 21rd Fits FN Five-seveN Magazine Blued Steel FNHA10

The ProMag 21-round 5.7×28mm magazine is a precision-engineered aftermarket magazine built specifically for FN® Five-seveN® pistols chambered in 5.7×28mm. Designed to provide reliable feeding and consistent cycling, this magazine features an extended 21-round capacity, offering additional shooting time between reloads while maintaining proper fit and function. Constructed from heat-treated blued steel, this magazine delivers strength, durability, and resistance to wear during regular range and training use. Precision-formed body geometry and quality internal components promote smooth cartridge alignment and dependable operation in compatible Five-seveN platforms. The blued finish enhances corrosion resistance while maintaining a clean, professional appearance. Manufactured by ProMag Industries, this magazine serves as a dependable replacement or spare option for FN Five-seveN owners seeking reliable performance and extended capacity. Whether used for recreational shooting or training sessions, the FNHA10 provides consistent function in a rugged steel design.

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