The SIG MCX Trigger is built for top competitive shooters to offer the most accurate and dependable trigger on the market. Featuring Frictionless Release Technology, this drop-in AR trigger has a short, two-stage action, designed to feel like a 1911 trigger, that provides a true zero-creep break, extremely short overtravel, a sub 0.015 tactical reset and offers outstanding reliability, even in the harshest environments. Utilizing CLKR Technology, the pull weight is quickly and confidently adjusted in 2oz increments from a set screw with the trigger installed.