FN 509 Trigger Upgrade & FN 509 Disassembly – FN 509 Accessories by M*CARBO

This video is an educational, step-by-step demonstration of how a qualified individual can install the M*CARBO FN 509 Trigger Spring Kit and properly disassemble/reassemble the FN 509 in a safe, controlled environment. It is intended for informational purposes only. The FN 509 Trigger Spring Kit is designed to improve the perceived trigger pull and enhance overall performance. M*CARBO FN 509 accessories are Made in America by Combat Veterans and are designed to maintain the factory safety features and semi-automatic operation of your FN 509. This upgrade does NOT convert the firearm to automatic fire or simulated automatic fire and does NOT remove factory safety devices. • FN 509 trigger spring kit designed for improved feel and consistency • Compatible with popular aftermarket FN 509 triggers (including Apex) • FN 509 disassembly and reassembly walkthrough with function checks • FN 509 trigger performance review before and after installation • Addresses common complaints about factory FN 509 trigger characteristics ALWAYS follow all federal, state, and local laws. Ensure your firearm is completely unloaded before any work is performed. If you are not comfortable working on your firearm, please consult a qualified gunsmith. TIMECODES: Intro/Factory Range Demo - 00:00 Firearm Clear - 02:24 Factory Trigger Pull - 02:32 Parts Needed - 02:50 Tools Needed - 03:11 Field Strip - 03:22 Installation Overview - 04:02 Sear Housing Overview - 04:17 FN 509 Pin Disclaimer - 05:33 Removing Sear Housing - 05:51 Removing Sear Halves - 08:53 Sear Sub-Assembly Overview - 11:03 M*CARBO Trigger Spring Kit Overview - 11:38 Swapping Disconnector Spring - 12:18 Swapping Sear Spring - 12:53 Sear Assembly Parts Review - 16:32 Sticky Trigger Issue - 17:14 Sear Housing Reassembly - 20:10 Reinstalling Sear Assembly into Frame - 24:10 Sear Assembly Function Check - 27:47 Slide Disassembly - 28:21 Slide Parts Review - 30:43 Replacing Striker Spring - 31:04 Striker Block Spring Comparison - 31:15 Slide Reassembly - 31:40 Reattaching Slide/Function Check - 34:21 Modified Trigger Pull - 35:12 Drop Test - 35:23 Modified Range Demo - 35:34 Wrap Up/Outro - 36:38 #MCARBO #FN509 #FN509Disassembly