ProMag FN Five-seveN 5.7x28mm 30-Round Magazine

This ProMag magazine is a 30-round, detachable magazine designed for use with the FN Five-seveN pistol in 5.7x28mm. It features an injection-molded housing and follower made from impact-resistant polymer and a precision-wound, heat-treated spring intended for consistent feeding. The magazine includes a molded grip sleeve to fill the gap between the grip frame and the base plate and is produced in the U.S.A.

Key Specifications

• Holds 30 rounds for extended capacity over standard magazines.
• Chambering is 5.7x28mm, compatible with FN Five-seveN pistols.
• Construction uses polymer (glass-filled nylon / DuPont Zytel indicated in source material) for a lightweight housing.
• Finish is black for a low-profile appearance.
• Includes a molded grip sleeve to close the gap between the grip frame and magazine base plate.
• Overall length is listed as 7.25" in product documentation.
• Designed to fit FN Five-seveN pistols (IOM & USG models referenced).
• Spring material is specified as heat-treated chrome-silicon wire for reliable feeding.
• Country of origin is U.S.A..
• Magazine type is detachable for use as a replacement or spare.

Durable polymer construction, a precision spring, and the supplied grip sleeve make this magazine a practical spare or replacement for FN Five-seveN owners who want consistent feeding and extended capacity for range use, training, or collection purposes. Its straightforward design and U.S. production focus on serviceable reliability without unnecessary features.