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GLOCK 31 357SIG 15RD 4TH GEN FACTORY MAG (Bulk Packaged)
Often overlooked, the magazine is one of the most critical components of a pistol. The GLOCK precision-made, stagger-column, high-capacity device is designed to reliably feed all ammunition types. Lightweight and strong, with a polymer shell enclosing a metal liner, this easy to disassemble magazine insert is engineered to be a strong and secure unit for years of outstanding performance.