The Geissele Super Semi-Automatic Large Pin AR Trigger is a semi-automatic-only version of Geissele Automaticss 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 SSAs two-stage design allows the trigger to be light enough for accurate and precise shots, but forgiving enough for CQB. Trigger Pull Weight 1st Stage: 2.75 - 3.0 lbs. 2nd Stage: 1.5 - 1.75 lbs. Total Pull Weight: 4.5 - 4.75 lbs. FitsAR Large PinHandednessAmbidextrousTrigger Bow Type: CurvedTrigger Pull Weight (High):4-4.9 lbsTrigger Pull Adjustable: YesItem ConditionNewUPC854014005618MPN05-123 Geissele Super Semi-Automatic (SSA) - Large Pin Trigger 05-123