Durable nylon polymer follower
Holds 30 rounds
The Five-Seven IOM & USG 5.7x28mm Magazine by ProMag is the result of high-quality, consist, durable manufacturing. Springs are precision wound using heat-treated chrome silicon wire. Constructed with an injection-molded housing and follower made of impact resistant, glass-filled nylon polymer for durability. Includes a molded grip-sleeve to fill the space between the bottom of the grip-frame and the magazine base-plate. Holds 30 rounds. Black finish.
Note: Shipping restrictions are active in CA, CO, CT, HA, IL, MA, MD, NJ, and NY for magazines with 16 or more rounds.