Seven Step Install Guide and Range Review For The Fostech Echo AR-II Trigger
Many of the AR lowers for sale today have an unused third position on the safety selector. “Safe” and “Fire” make perfect sense, but what about that wasted option that is sometimes blank, given a pictogram or labeled “Undead”? The Fostech Echo AR-II trigger gives shooters a way to take advantage of this often wasted setting with the Echo shooting mode, which fires the rifle on both trigger pull and again on trigger release.