THE ULTIMATE GUIDE TO KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER

The finely tuned mid size gas system from the SR-15 E3 Mod2 provides precisely adequate gasoline to reliably cycle the method with out excessive fuel which can foul internals and burn the operator’s eyes even when suppressed. This good tuning also contributes to a flatter taking pictures rifle having a softer recoil impulse than an ordinary AR. T