Geissele Super Dynamic Combat SD-C, SKU 05-165, and Geissele G2S, SKU 05-145, both two-stage AR-15 triggers with 2.5 lb first stage / 2.0 lb second stage pull, .154″ mil-spec pins. SD-C is a nonadjustable combat design for CQB/SDM use, tool steel, made in USA, fits AR-15 and AR-10. G2S is a drop-in steel trigger for general precision and competition use.