The Cross Armory CRG4PSBK 4 Pin Set Dimpled Compatible w/Glock Gen4 4140 Steel Pistol delivers durable, high-performance handgun action parts designed to enhance reliability and precision in Glock Gen4 platforms. Crafted from rugged 4140 steel and engineered to exacting tolerances, this four-pin set features a dimpled finish that not only adds a distinctive, repeatable seating surface but also contributes to consistent alignment and smooth trigger operation. Built for handgun enthusiasts and professional range work alike, it provides a sturdy, corrosion-resistant upgrade that players in the field and on the bench can rely on during critical sessions. The model-specific design ensures seamless compatibility with Glock Gen4 configurations, supporting robust engagement with the firearms action components and promoting dependable cycling, reduced wear, and longevity. Whether upgrading a duty-sidearm, a competition pistol, or a personal range-project, the Cross Armory CRG4PSBK set is rooted in practical metallurgy and practical application, offering a straightforward installation that translates to enhanced control, repeatability, and confidence with every shot.