This is the Promag 1911 .45 ACP 10 Round Extended Magazine. This magazine’s 10-round capacity offers a significant boost over standard magazines, allowing for longer shooting sessions and fewer reloads. The side-facing witness holes are a practical addition, enabling you to quickly check your remaining ammo without losing focus on your target. Crafted with a blued steel body, this magazine promises durability and resilience, making it a reliable choice for both range days and tactical use. The black polymer follower is engineered for smooth, consistent feeding, enhancing your shooting experience with every round. The polymer baseplate adds to the magazine’s overall sturdiness, while the removable grip extension insert provides extra comfort and control, especially for shooters with larger hands. The ProMag 1911 .45 ACP 10 Round Extended Magazine is an essential upgrade for any 1911 user seeking a high-capacity, reliable, and ergonomically designed magazine.