Side mounted technique using an integrated MILSTD 1913 rail piece for sighting techniques. Designed for use Together with the M203. The many benefits of these variations, having said that, have appear less than scrutiny from both the military and civilian firearms Local community.[34] According to a PDF detailing the M4 https://landenwivfp.like-blogs.com/29392140/the-best-side-of-knights-armament-carbine-length-quad-rail