ProMag magazine bodies are constructed of polymer for strength. 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.The translucent smoke color allows for visual confirmation of remaining ammunition. Designed to fit and function in the Ruger 10/22 and Charger series firearms. Made in the USA.

Specifications: Caliber: .22LR, Capacity: 55-Rounds, Body Material: Polymer, Color: Smoke

This is for one 55 round drum magazine.