The Nighthawk Custom single stack magazines are designed, engineered, and proven to be the most reliable and durable mags on the market. The Nighthawk Custom magazine tube and follower are constructed from heat treated, tempered stainless steel to provide strength and durability, while also being corrosion resistant. They are then tumbled and polished to minimize metal to metal friction, ensuring smooth reliable feeding and reloading. The hardened steel follower is designed to provide positive lock-back after the last round, while maintaining durability for a lifetime of use. The parallel feed lips are designed to position each round into the feed ramp at a consistent angle for enhanced reliability, no matter the ammo brand. The Nighthawk Custom 1911 magazines are easily disassembled for cleaning and routine maintenance while still maintaining a solid stop to prevent over insertion. Load indicators in the sides of the magazine allows you to see if magazine is loaded to capacity, wit...