TANDEM KROSS GearBox Sear Spring Black for Ruger Mark IV, Mark III & 22/45

The TANDEM KROSS GearBox Sear Spring is a precision-engineered replacement spring designed to improve trigger performance and consistency in compatible Ruger® Mark Series pistols. Manufactured to exacting standards, this upgraded sear spring helps provide a smoother trigger feel while maintaining reliable operation for competition, training, and recreational shooting applications.

Designed as a direct replacement for factory components, the GearBox Sear Spring offers enhanced durability and dependable performance. Whether you're refreshing worn internal components or upgrading your pistol's trigger system, this spring helps optimize the overall shooting experience.

Specifications

• Manufacturer: TANDEM KROSS
• Model: GearBox Sear Spring
• MPN: TK12N0317BLK1
• UPC: 769498483640
• Color: Black
• Product Type: Sear Spring
• Material: Spring Steel
• Compatibility: Ruger® Mark IV™ Pistols
• Compatibility: Ruger® Mark III™ Pistols
• Compatibility: Ruger® 22/45™ Pistols
• Application: Trigger System Enhancement and Maintenance
• Made In: USA

Features

• Precision-manufactured replacement sear spring for Ruger® Mark Series pistols
• Designed to provide consistent trigger performance and operation
• Constructed from high-quality spring steel for durability and longevity
• Direct replacement for factory sear spring components
• Helps maintain proper trigger system function
• Engineered for reliable performance during high round-count use
• Compatible with a variety of Ruger® Mark Series pistol configurations

Benefits

• Supports smooth and consistent trigger operation
• Helps maintain reliable sear engagement and firearm function
• Provides an excellent replacement for worn or fatigued factory springs
• Enhances long-term reliability of the trigger assembly
• Ideal for maintenance, repairs, and performance-focused upgrades
• Built to withstand extensive competition, training, and recreational use

The TANDEM KROSS GearBox Sear Spring is a valuable upgrade and maintenance component for Ruger® Mark Series pistol owners seeking reliable trigger system performance. Designed for durability and consistency, this replacement spring helps keep your firearm operating smoothly whether on the range, in competition, or during routine practice sessions.