The Geissele Super Semi-Automatic Large Pin AR Trigger is a semi-automatic-only version of Geissele Automatics’s Super Select-Fire trigger. The SSA Large Pin is a non-adjustable combat trigger that is a precision two-stage trigger and allows precise and accurate trigger control. The SSA’s two-stage design allows the trigger to be light enough for accurate and precise shots, but forgiving enough for CQB. Geissele Automatics Geissele Super Semi-Automatic (SSA) - Large Pin Trigger 05-123