Mach Sakai goes for a scope and night vision device to check out in this review. The Frontier Scope is a 3-10 × 42 magnification and is  30mm in diametre whilst the Night Owl Optics Night Shot has 2.7X magnification, a resolution of  640x480 pixels and a frame rate of 30fps. These can also be used for real steel guns apart from airsoft guns.