KNIGHTS ARMAMENT SR-15 16 UPPER NO FURTHER A MYSTERY

The finely tuned mid size fuel technique of the SR-fifteen E3 Mod2 provides precisely more than enough gasoline to reliably cycle the program without having excess gas that will foul internals and burn up the operator’s eyes even while suppressed. This fine tuning also contributes to a flatter taking pictures rifle having a softer recoil impulse