The AR Diamond Trigger was 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. Utilizing CLKR Technology, the pull weight is quickly and confidently adjusted from 1.5 – 4.0 lbs in 2oz increments from a set screw with the trigger installed.