Geissele SD-C Super Dynamic Combat AR-15, AR-10 Two Stage Trigger Flat

The Geissele Super Dynamic Trigger is the semi-auto only version of a select fire trigger that Geissele makes for customers in the U.S. Special Operations community. The SD is a non-adjustable combat trigger, with a stunningly smooth 1st stage and solid 2nd stage built for use in the adverse environment of battle. Suitable for Close Quarters Battle (CQB) and mid-range carbine work, the Geissele SD is also the perfect trigger for Squad Designated Marksman (SDM) rifles. The trigger features tool s