Shop › CMC AR-15 LPK W/CURVED TRIGGER CMC AR-15 LPK W/CURVED TRIGGER $224.10 CMC Triggers AR-15 Lower Receiver Parts Kit with 3.5lb Curved Trigger, Black 81501 Quantity: Add To Cart Added! CMC Triggers AR-15 Lower Receiver Parts Kit with 3.5lb Curved Trigger, Black 81501