DISCLAIMER: I am not encouraging or advising anyone to modify their firearms. This is for entertainment and educational purposes only.
Article about trigger improvement:
https://blowback9.wordpress.com/2021/07/15/improving-the-mp5-trigger/
My video about improving the safety selector action:
youtube.com/watch?v=M0hhDAh1Z9k&feature=youtu.be
MP5 Video Playlist:
https://www.youtube.com/playlist?list=PLvg9KKCMrd1PC4qQ5o09vI5IZiIwmaabT
00:00 Intro
01:44 Semi-auto operation
05:03 Trigger baseline
06:24 Polishing intro
06:44 Pre-polishing checks
07:47 Polished components
09:18 Polishing results
10:21 Spring modification/"tuning"
11:52 Trigger spring
13:26 Elbow spring
15:18 Bending both springs
16:08 Pre- & over-travel reduction
19:37 Over-travel adjustment
20:08 Pre-travel adjustment
20:33 Reducing Creep
22:56 Safety selector relief
25:24 Improved trigger action
26:48 Conclusion
