KNIGHTS ARMAMENT SR-15 16 UPPER FUNDAMENTALS EXPLAINED

The finely tuned mid duration gas process of your SR-15 E3 Mod2 provides precisely sufficient fuel to reliably cycle the technique devoid of extra fuel which will foul internals and burn up the operator’s eyes even when suppressed. This wonderful tuning also contributes to a flatter shooting rifle having a softer recoil impulse than a normal AR.