2 rail. I've shot 18s with rifle gasoline like how smooth and correct They're. I'm able to put more money into general performance parts then clone accurate components like a ops brake and collar that I haven't got a can for. KVC’s line of enhance options for prevalent headborne monocular https://elliottlyhsb.dm-blog.com/29606134/little-known-facts-about-knights-armament-m4-quad-rail