This. Mercury. Precision trigger spring is a standard replacement component designed for AR-15 lower parts kits. It delivers the consistent spring tension needed to maintain reliable trigger function across shooting sessions. As a mil-spec component, it meets industry standards for AR platform builds and integrates seamlessly into any lower receiver assembly.
The trigger spring maintains proper tension on the trigger mechanism, ensuring reliable reset and consistent pull weight. This component is critical for safe and predictable trigger function. Mercury. Precision springs are engineered to deliver the spring rate required by mil-spec AR-15 trigger groups, supporting both semi-automatic fire and reliable cycling across standard ammunition types.
This trigger spring meets mil-spec standards for AR-15 platforms and functions with standard trigger groups, disconnectors, and hammer assemblies. The spring works in conjunction with other lower parts kit components to create a complete trigger mechanism. Proper installation and alignment of all lower receiver components is essential for safe operation.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.
Brand: Mercury Precision
Supplier: CSS (Glen/Ryan)
Product: Standard AR Trigger Spring for LPK Assembly
Category: AR Lower Part
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