Maximize your range time with serious firepower using the FN® 502™ .22LR 15-Round Magazine. Constructed of a lightweight, yet durable polymer, this magazine features a side loading button for quick, effortless loading, while the loading channel serves as a witness window for quick, visual round counts. The steel wire spring and anti-tilt polymer follower deliver smooth operation and reliable feeding performance. Better yet, the blued steel feed lips offer a precise fit for added reliability.