The 661S series of Timney Triggers showcases a high standard of precision machining and excellent workmanship. Notably, each trigger receives an individual testing and calibration process, handled manually to assure the best quality.Awaiting installation in your AR is the AR15 Competition Trigger. It offers a remarkably consistent, smooth, and creep-free single-stage trigger pull that improves your shooting experience. The components of this trigger are securely kept within its lightweight housing, constructed from dependable aluminum alloy.Importantly, the trigger\'s hammer is wire-EDM machined from durable S7 tool steel. Additionally, the EDM is carefully shaped from A2 tool steel, noted for its resilience. This particular model is designed to mesh seamlessly with your AR15 firearm. The trigger also features a small pin and a skeletonized design for maximum performance.