ProMag FN Five-seveN USG 5.7x28mm 30 Round Magazine-Black

The ProMag FN Five-seveN USG 5.7x28mm 30 Round Magazine is a 30-round magazine that fits the FN Five-seveN USG 5.7x28mm. The magazine body is constructed of a proprietary DuPont Zytel based polymer with an injected molded magazine follower. The magazine spring is formed from heat treated chrome silicone wire and is made in the USA.