Upgrade your AR-15 build with the Knight's Armament Company SR-15 IWS Complete Lower Receiver, a pinnacle of precision and versatility. Designed for elite performance, this forged aluminum lower features a KAC 2-stage match trigger with a crisp 4.5-lb pull, perfect for both precision marksmanship and rapid close-range shooting. Fully ambidextrous controls—including bolt release, safety selector, and magazine release—cater to left- and right-handed shooters, ensuring seamless operation in any scenario.