The Knights Armament SR-15 CQB 11.5 Upper Diaries
The finely tuned mid length gas procedure on the SR-15 E3 Mod2 provides exactly ample fuel to reliably cycle the technique with no excessive fuel which will foul internals and burn the operator’s eyes even though suppressed. This great tuning also causes a flatter shooting rifle having a softer recoil impulse than a typical AR. The SR-15’s 4.5l