A Detailed Look at the 1911 Sear Spring & Adjustment

DISCLAIMER: I am not encouraging or advising anyone to modify their firearms. This is for entertainment and educational purposes only.

Sear and hammer/trigger job videos:
   • A Detailed Look at 1911 Sear and Hammer En...  
   • Improving My 1911 Trigger Job Tooling and ...  

Safety checks:
   • 1911 and 2011 Pistol Safety and Function C...  

Quick sear spring adjustment:
   • How to Lower the Weight of a Heavy 1911 20...  

1911 technical content playlist:
   • 1911 Technical Content  

3D animation 1911 Cycle of operation:
   • 1911 - Cycle of Operations - www.thearmore...  
   • How a gun (Colt M1911) works! (Animation)  

Old 1911 gunsmith training aid:
   • How does the 1911 pistol work?  

00:00 Intro
00:52 Part terminology
02:26 Trigger action terminology
02:58 Sear spring types and dimensions
05:55 How the sear spring functions
07:09 Full trigger action demonstration
10:48 How the left spring tang affects trigger action
11:27 How the middle spring tang affects trigger action
12:19 How sear and hammer engagement affect trigger weight
12:29 How the main spring affects trigger weight
12:42 Friction in trigger system
12:57 Extra special safety disclaimer
13:23 Spring set
13:50 Adjustment demonstration
18:57 Conclusion