The STT-15 lower receiver was created to meet the need for a true ambidextrous AR-15 M4 platform, designed to accommodate all shooters without the need for costly add-ons. Whether you are a right- or left-handed shooter or even forced to shoot with your off hand, the STT-15 ensures seamless operation and versatility. Engineered for precision and reliability, the STT-15 excels in situations where every shot counts, offering unmatched confidence when the stakes are high. This lower receiver is built for shooters who demand performance, ensuring there's no room for error when it matters most.