KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER OPTIONS

The finely tuned mid duration gasoline program of your SR-15 E3 Mod2 delivers precisely enough fuel to reliably cycle the system devoid of surplus fuel that may foul internals and burn up the operator’s eyes even when suppressed. This good tuning also results in a flatter capturing rifle which has a softer recoil impulse than a standard AR. The S