MCARBO Trigger Spring Kit for FN 509

Designed by combat veterans, this custom trigger job will reduce your trigger pull from a factory ~7.25lbs to a modified ~4.25lbs, offering a substantial 40% reduction. Experience a lighter, smoother trigger pull and improved reset, making this upgrade a must-have for anyone seeking optimal performance from their FN 509.

Our FN 509 Trigger Spring Kit corrects issues with the factory trigger and is an essential upgrade for enhancing accuracy and performance. Ideal for those seeking competition-level performance, this kit is a significant improvement over the factory setup.

Upgrade your firearm with the best aftermarket parts and experience competition-level performance with our FN 509 Trigger Spring Kit!

About This Item

• Reduce your trigger pull from a stock ~7.25lbs to a modified ~4.25lbs (Average results can vary up to +/- 1lb)
• Experience improved accuracy and a notable 40% reduction in trigger pull, enhancing the overall performance of your FN 509.
• Compatible with the 509C, 509C Tactical, and FNS Models.
• Will NOT function in FNX Models.
• Comprising high-quality American Spring Steel ASTM A228 Music Wire for durability and performance.
• Do you want Us to Install the Parts and Do the Polishing Work for You?
• Made in the USA!

WHAT'S IN THE KIT:

• 1 - Custom Lighter Sear Spring
• 1 - Custom Lighter Disconnector Spring
• 1 - Custom Lighter Striker Spring
• 1 - Custom Lighter Striker Block Spring