Nighthawk Custom line of single stack magazines are designed and engineered to be the most reliable and durable mags on the market, creating an industry standard for the 1911 magazine. Each magazine tube and follower is 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 feedlips are designed to position each round into the feedramp at a consistent angle for enhanced reliability, no matter the ammo brand. Nighthawk 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 loade...