Airsoft Tutorials - Stretching the O-ring

Airsoft Tutorials - Stretching the O-ring This video is best used in conjunction with the website. Stretching the o-ring to create a better seal between the cylinder walls and the o-ring. More information about this tutorial can be found at: http://airsofttutorials.com/tutorials/streching-the-o-ring.html Facebook: http://tinyurl.com/brcngyb