DETAILS: Model: AR Single Stage Trigger Series: Tactical Style: Curved Pull Weight: 3-3.5 lbs Platform: AR-15 Material: 8620 Alloy steel and S7 Tool Steel Finish: Matte Black FEATURES: CMC Triggers AR-15 Trigger Groups CMC Triggers' innovative, self-contained, and easy-to-install AR-15 trigger groups have been completely re-tooled to maximize production capacities, incorporate new design enhancements, and reduce cost. CMC Triggers AR-15 drop-in trigger groups have always yielded exceptional trigger pull dynamics.