Ruger LC9s & EC9s Trigger Spring Kit – Install Guide & Trigger Pull Overview

In this video, we walk through the installation of the M*CARBO Trigger Spring Kit for the Ruger LC9s and EC9s. This kit is designed to refine trigger feel and reduce perceived trigger pull when installed correctly, while maintaining safe, semi-automatic operation of the pistol. We start with the parts and tools needed and measure the factory trigger pull. From there, we field strip the pistol and disassemble the slide to replace the striker spring and striker block safety spring. Next, we remove the internal aluminum housing from the frame, swap the trigger return spring, and reassemble the housing and frame. The video wraps up with a full function check and final trigger pull measurement so you can see the difference compared to stock. This guide is intended for responsible Ruger LC9s and EC9s owners who want a clearer understanding of how the internal striker and trigger systems work and how to verify proper function after installing a trigger spring kit. Actual trigger pull reduction and overall feel will vary between individual pistols and setups. Any polishing or adjustments should be minimal, limited to appropriate contact surfaces, and must not remove or defeat safety features. TIMECODES: Intro - 00:00 Parts Needed - 00:42 Tools Needed - 00:49 Firearm Clear - 00:58 Starting Trigger Pull - 01:14 Field Strip - 02:17 Slide Disassembly - 03:30 Slide Parts Review - 06:10 Replacing Striker Spring - 06:32 Replacing Striker Block Safety Spring - 09:51 Reassembling the Slide - 10:56 Removing Aluminum Housing from Frame - 13:36 Aluminum Frame Overview - 14:39 Disassembling Aluminum Housing - 16:06 Installing Trigger Return Spring - 19:27 Reinstalling Trigger Safety Blade - 21:06 Reassembling Aluminum Housing - 22:05 Reinstall Aluminum Housing in Frame - 23:00 Reattach Slide - 24:25 Function Check - 25:04 Final Trigger Pull - 25:36 Wrap-Up / Outro - 26:24 Safety & Responsibility: Always verify that your Ruger LC9s or EC9s is completely unloaded before beginning any work. Remove the magazine, lock the slide open, and visually and physically inspect the chamber to confirm it is clear. Follow all standard firearm safety rules and work in a safe, organized environment. After installing or changing any striker, safety, or trigger springs, perform thorough function checks and test the pistol at the range with appropriate ammunition to confirm reliable operation. If you are unsure about any part of the disassembly, installation, or reassembly process, or do not feel fully confident performing it yourself, consult a qualified gunsmith. This content is for educational and informational purposes only and is intended for responsible, legally authorized firearm owners in accordance with all applicable local, state, and federal laws. #MCARBO #RugerLC9s #RugerEC9s