Firearms News Nighthawk Custom Drop-In Trigger System (DTS) for 1911 Pistols Looking for a 1911 trigger upgrade for your pistol? Consider the Nighthawk Custom Drop-In Trigger System, a high-quality trigger job with a crisp, clean break. The DTS is perfect for home gun builders who can assemble and fit minor parts but aren't quite comfortable stoning sear and hammer surfaces. (Photo courtesy of Nighthawk Custom) July 29, 2021 By Nighthawk Custom An all-in-one unit, the Drop-In Trigger System (DTS) from Nighthawk Custom replaces your existing hammer, hammer strut, sear, disconnector, and sear spring. Your existing sear and hammer pins are used with the DTS, but no other parts are necessary for installation. With a steel housing securing the unit, the DTS features all fully-machined, stainless-steel internal components. The traditional three-pronged sear spring is no longer needed because the springs for the disconnector and sear are built into the unit. A single-leg grip safety spring is included with the DTS to replace the...Continue Reading