The Nighthawk custom FM series mag catch lock and spring set the benchmark for rapid and seamless reloading, embodying precision and durability. Expertly crafted from solid 11L17 carbon steel, these components promise exceptional longevity and resistance to wear, making them an ideal choice for both factory replacements and enhancing your custom 1911 build. Nighthawk custom's Fully Machined parts are renowned as the pinnacle of excellence in the 1911 parts industry, meticulously CNC machined from solid steel billets to ensure unparalleled quality. Unlike alternatives, we eschew cast, metal injection molding or polymer components, committing only to the finest materials to produce the World's Finest 1911s. Trust in the superior craftsmanship of Nighthawk custom fully-machined parts, each backed by a lifetime warranty, to elevate your firearm's performance and reliability. Black nitride finish Hex drive lock