The Unit 3.0 drop-in Glock trigger connector is the smoothest and lightest option available, engineered for enhanced shooting performance. Featuring an over-travel tab, it shortens the overall trigger movement, resulting in a more responsive and controlled pull. Its patented design ensures a smooth trigger action, allowing for improved accuracy and quicker follow-up shots, making it an essential upgrade for those seeking to maximize their Glock's performance. Drop-in unit performance 3.0 connector, designed to improve system performance and ease of installation for enhanced efficiency 4 lb reduced power striker spring, designed to reduce trigger pull weight and enhance shooting comfort for quicker shots 6 lb extra power striker spring, offering enhanced ignition reliability and consistent performance, even with heavier primers Reduced power safety block plunger spring, providing a smoother and more reliable trigger pull 6 lb extra power trigger spring, designed to improve trigger return force, ensuring smoother, faster and more reliable operation Fits all Glock GEN 1-5 pistols except 42/43/43X/48, ensuring compatibility with a wide range of Glock models