KNIGHTS ARMAMENT SR-15 16 UPPER NO FURTHER A MYSTERY

The finely tuned mid size gas process on the SR-fifteen E3 Mod2 delivers exactly sufficient fuel to reliably cycle the process with no excess gasoline that can foul internals and burn up the operator’s eyes even when suppressed. This good tuning also causes a flatter taking pictures rifle that has a softer recoil impulse than a standard AR. The S