Really serious AR shooters demand the most beneficial. They will also need various extras connected to their weapon. These accessories should be quick to attach and freely readily available for use as necessary. only one data point, I picked up two or three salty utilised P&S M4 RAS's from Thoroughbred https://knights-armament-quad-rai96284.howeweb.com/30091883/a-secret-weapon-for-knights-armament-rail