Airsoft Colt 1911 A1 Spring Pistol

You can find the original and "tuning" spring dimensions in this link!!! (check the comment in this link too!!!) ⬇️⬇️    • Cybergun Colt 1911 A1 HPA original spring ...   Pistol weight: 540g with magazine, without bbs (metal slide) Colt 1911 Trigger Sear Upgrade:    • TRIGGER SEAR Upgrade on Cybergun Airsoft C...   Note!! Upgrade your airsoft gun(s) on your own risk!! Pistol have plastic trigger sears!!! --------------------------------- Adding a second spring to my airsoft colt 1911 hpa spring powered pistol for more fps!! Before/after penetration test + assembly/disassembly in the video! ////Homemade upgrade!!!!//// ---------------------------------- Fps measurements: Before: 263,3 fps 258,2 fps 261,7 fps 261,5 fps 267 fps 261,7 fps 260,2 fps After: 281,6 fps 277 fps 281,2 fps 278,6 fps 278,3 fps 278,5 fps Shooting distance: ~15cm BB(s): 0.20g rockets bb 0.25g rockets bb Airsoft Gun(s): Cybergun Colt 1911 A1 HPA