Timney Triggers 603 Featherweight Single-Stage Curved Trigger with 3 lbs Draw Weight for Browning X-BoltTimney Triggers feature precision machining, workmanship and are individually tested and calibrated by hand. Timney's Featherweight Trigger is precision machined and hand fitted to provide a crisp trigger pull. It features a lightweight alloy housing and hardened steel working surfaces. This model is compatible with your Browning X Bolt.