This single-stage non-adjustable drop-in trigger boasts a solid 3.5-pound pull weight and is pre-assembled in Hard coat Anodized aluminum housing (complete with rubber urethane feet) for immediate competition hunting and tactical applications right out of the box. Carved from American A2 steel the Trigger Disconnect and Hammer are all Nitride Heat-Treated to 70 Rockwell case hardness for ultimate strength and corrosion resistance. Includes custom-fit stainless steel KNS Precision? Anti-walk Pins for both standard AR and POF-USA ambidextrous lower receivers. **Will not work with DPMS 308 lowers unless they use MIL-spec parts.***