THE BEST SIDE OF KNIGHTS ARMAMENT SR-15 16 UPPER

The finely tuned mid length gasoline system with the SR-fifteen E3 Mod2 delivers precisely more than enough gasoline to reliably cycle the system with no excess fuel that will foul internals and melt away the operator’s eyes even whilst suppressed. This wonderful tuning also contributes to a flatter shooting rifle that has a softer recoil impulse