The MDT® AICS SA .308 Winchester 10-Round Poly/Metal Magazine is a performance-enhanced, AICS-pattern magazine, featuring a polymer/steel hybrid body for superior durability and lightweight field performance. The steel feed lips ensure a precise fit for added reliability, while the polymer body features a witness window for visual round counts. The steel spring and polymer follower deliver smooth operation. Better yet, the removable floor plate allows for quick disassembly for maintenance and cleaning.