Aspect mounted procedure having an integrated MILSTD 1913 rail piece for sighting techniques. Designed for use With all the M203. AR15.COM is the entire world's greatest firearm community and it is a accumulating spot for firearm lovers of all kinds. From hunters and armed service associates, to Level of competition https://kacquadrail75296.bloggactif.com/30317673/facts-about-knights-armament-m4-quad-rail-revealed