Pro Mag Industries FN Five-seveN USG Magazine 5.7 X 28 21-Rounds

ProMag Steel Pistol Magazine FN Five Seven IOM & USG 5.7X28mm 21-Round Black 21RD. The springs are precision wound using heat-treated chrome silicon wire. Bases and followers are injection molded from polymers selected for their durability. The result is quality consistency durability and reliability. Specifications for ProMag Steel FN Five Seven IOM & USG 5.7X28mm Pistol Magazine: Manufacturer: ProMag Gun Make: FN Herstal Gun Model: FN Five-seveN Cartridge: 5.7x28mm Magazine Capacity: 21 Round Features of ProMag Steel FN Five Seven IOM & USG 5.7X28mm Pistol Magazine Magazine body constructed of heat treated steel with black oxide finish Injection molded magazine follower Magazine spring formed from heat treated chrome silicone wire Package Contents: ProMag Steel FN Five Seven IOM & USG 5.7X28mm Pistol Magazine ProMag FNH-A10-21RD: Steel Pistol Magazine FN Five Seven IOM & USG 5.7X28mm 21-Round Black