Glock Trigger G43/43X/48. Black Trigger Shoe. Black Trigger. The Overwatch Precision TAC Trigger is a flat-faced, direct drop-in replacement for your OEM trigger. Each trigger shoe and trigger safety tab is machined in the USA out of 7075-T6 aluminum alloy, and affixed to an NP3 plated, OEM trigger bar by 316 stainless steel coil spring pins. We have machined the trigger shoe Flat with a Serrated Face to give the shooter a repeatable trigger pull with added traction provided by those serrations. ... Gen 4: .45 & 10mm, Gen 1 - Gen 4: 9mm .40 .357, Glock 42, Glock 43, Glock 43X or Glock 48. Trigger Color: Black, Grey. Safety Color: Black, Blue, Gold, Grey, Red. Related products. MAG.