Great for combat and speed shooting competitions, the Chip McCormick Custom Mags XP 1911 .38 Super 10-Round Replacement Magazine features stainless-steel construction with a strong spring design for durability and a removable base pad. Detachable. CMC Mags Chip McCormick Custom Mags XP 1911 .38 Super 10-Round Replacement Magazine - Shooting Supplies And Accessories at Academy Sports