Timney 683 Replacement Trigger – Single-Stage 4.5 lb for Sig MPX

The Timney 683 is a drop-in, single-stage replacement trigger designed for the Sig MPX platform. It features a straight shoe profile and a factory-tuned 4.50 lb pull for a consistent, crisp break. The assembly installs using the rifle’s original hammer and trigger pins and retains factory safety interfaces. Finished in black, it provides a clean single-stage feel suitable for range use and general-purpose shooting.

Key Specifications

• The trigger is a drop-in replacement designed for direct installation.
• The finish is Black.
• Compatible with the Sig MPX platform.
• The shoe style is a straight profile.
• The trigger is factory-tuned to a 4.50 lb pull weight.
• This is a single-stage trigger.
• Utilizes the firearm’s original hammer and trigger pins and retains factory safety interfaces.
• Package dimensions are 2.25 x 6.35 x 7.25 inches.

For informed, no-nonsense shooters seeking a straightforward upgrade, the Timney 683 delivers a reliable single-stage trigger feel with a factory-tuned pull and simple drop-in installation. Its straight shoe and black finish provide a familiar profile and appearance while the design retains key factory interfaces for dependable function and ease of fitment.