The Geissele Super Dynamic Combat (SD-C) Trigger is a high-performance, duty-ready upgrade for your AR-15 or AR-10 rifle. Designed with reliability and control in mind, it features a flat-faced trigger for improved leverage and feel, helping you maintain control under pressure while still enjoying a smooth, responsive pull.This trigger installs just like a standard Mil-Spec unit and fits any .223/5.56 or .308 rifle using a Mil-Spec lower receiver with .154" trigger pins. Built from EDM wire-cut tool steel and finished in black for durability, it's made to perform in even the most demanding situations.Note: Trigger pull weights are approximate and may vary slightly between rifles.Features: Fits all Mil-Spec AR-15 and AR-10 lowers Uses standard .154" trigger pins Flat trigger bow for better control and faster resets 4.5 lb total pull weight - tuned for safe, confident operation Smooth and consistent two-stage break