You can find the Rise Armament RA-535 Advanced Performance Trigger 3.5lb Silver here.

The Rise Armament Advanced Performance Trigger has a light trigger pull weight with a super-crisp release to improve accuracy. The trigger has a short overtravel and quick reset for faster response time between shots. The Advanced Performance Trigger has a self-contained bright red 8625 hardcoat anodized aluminum housing, which is easy to install and comes with anti-rotation pins. Precision CNC machined from high-grade, heat-treated tool steel and aluminum.

All Rise Armament products are manufactured according to strict AS9100 and ISO9001 2008 procedures, and must pass stringent QA inspection before leaving the factory.

Pull Weight: 3.5lbs
Trigger Style: Single Stage
Finish: Red and Silver