Camera Picatinny Weaver Guide Rail Mount Side for Gopro 1 2 3 3+ 4

Features:
This is a guide mount for the GoPro HD Hero camera.
Get first-person-shooter style shots or reverse the camera on yourself and watch yourself in action.
Seconds to install -slide the mount over the rail, tighten, and clip-in your GoPro camera.
With 1/4 screw, easily connect with the camera or other parts with 1/4 holes.
Can be used with airsoft,  paint ball and basically any things that has a Picatinny/Weaver rail.
Great for hunters, military, law enforcement, recreational shooters, and airsoft players. 
Specifications:
Material: Aluminium 
Color: Black
Item size: Approx. 10.2 * 4.7 * 1.3cm / 4.0 * 1.9 * 0.5in
Total weight: 42.5g / 1.5oz
Package List:
1 * Guide Rail Mount
Note:
This item only includes the Guide Rail Mount.