This single-stage, non-adjustable, drop-in trigger boasts a solid 4.5-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. Features: 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 that have straight trigger guards or with Sig 716 lowers** For the best selection of Modern Sporting Rifle parts and accessories, shop Palmetto State Armory!