ProMag FNH Five-Seven USG 5.7x28mm 30rd Black Polymer Magazine FNH-A2

FEATURES:An extended 30-rd magazine for the Five-Seven pistol in 5.7x28mm.Features an injection molded housing and follower constructed of impact resistant, glass-filled nylon polymer for durability.The spring is precision wound from heat-treated Chrome-silicon wire for reliable feeding.The magazine has an o/a length of 7.25", and includes a molded grip-sleeve to fill the space between the bottom of the grip-frame and the magazine base-plate.