Nighthawk Custom Magazine Release Tactical Extended Carbon Fully Machined. The deeply serrated face ensures non-slip thumb contact yet wont snag on your holster clothing or other gear. The Nighthawk Custom FM Series mag catch lock and spring are the core to fast smooth reloading making these ideal for competition or carry. Fully Machined from premium-grade 416 stainless steel for long-lasting life and wear resistance these parts are perfect for factory replacement or to compliment your custom 1911 build. Gunsmith fitting may be required The Nighthawk Custom line of Fully Machined parts are designed to be the gold standard in the 1911 parts industry. All Fully Machined parts have been fully CNC machined from solid steel billets. We never use cast metal injected moldings or polymer parts. In order to create the Worlds Finest 1911s only the best materials can be used. That is why you can trust Nighthawk Custom Fully Machined parts in your 1911. Specifications for Nighthawk Custom 1911 Extended Magazine Release: Manufacturer: Nighthawk Custom Gun Make: 1911 Platform Gun Model: 1911 Weight: 0.5 lb Package Contents: Nighthawk Custom 1911 Extended Magazine Release What firearm models does the manufacturer say Nighthawk Custom 1911 Extended Magazine Release is compatible with? The manufacturer suggests that Nighthawk Custom 1911 Extended Magazine Release is compatible with 1911Nighthawk Custom SP0225: Magazine Release Tactical Extended Carbon Fully Machined