This is a factory FN SCAR 17s20-round magazine.
The FN® SCAR® is the single most important battle rifle innovation of the last half-century and a favorite of the U.S. Navy Seals. With a reputation for accuracy and reliability, the SCAR incorporates rugged design with next-gen features and proprietary magazines. Manufactured by FN Herstal, these black standard capacity magazines ensure perfect fit and function for your SCAR. Featuring durable steel construction, heat-treated chrome silicon internal wire, and DuPont® Zytel™ polymer followers, each SCAR magazine is designed to deliver the reliability you can trust your life to. Grab a few spare mags to complete your FN SCAR kit and double down on next-gen firepower.