Nighthawk Custom Pin Set Government Carbon Fully Machined. These 1911 pins are offered in small medium large and extra-large small. In addition this FM Series 1911 parts kit includes extra FM Series parts as well as hardened FM Series parts. When it comes to 1911 parts you can't go wrong with Nighthawk Custom. All of our Nighthawk Custom pistol parts are machined from solid steel and heat treated to the proper hardness levels. This guarantees each part is strong enough to handle years of use. Also we never compromise on quality by skimping on materials or manufacturing. Specifications for Nighthawk Custom 1911 Complete Pin Set: Manufacturer: Nighthawk Custom Fabric/Material: Steel Gun Frame Size: Small Gun Make: 1911 Platform Gun Model: 1911 Package Contents: Nighthawk Custom 1911 Complete Pin Set What firearm models does the manufacturer say Nighthawk Custom 1911 Complete Pin Set is compatible with? The manufacturer suggests that Nighthawk Custom 1911 Complete Pin Set is compatible with 1911Nighthawk Custom SP0300: Pin Set Government Carbon Fully Machined