MAG CROSS IND 10RD 5.56 POLY BLK

Cross Industries Magazine, 556NATO, Fits AR-15, 10 Rounds, Contains Two 10-Round Coupling Magazines, Black CM10-AR15P-55645-BLK

Featuring a unique coupling mechanism integral to the floor plate, couple two magazines end-to-end in 4 unique configurations in seconds, allowing faster reloads. The transparent bodies allow quick visual indication of how many rounds you have left, or the type of rounds, which is particularly useful for running 300 Blackout. The integral coupling floor plate allows you to couple the magazines end-to-end in either a curved or straight configuration