Engineered to give you increased accuracy at a price you can afford.The parametric trigger is bowden's answer to the gritty mil-spec triggers that destroy your accuracy.All steel components are hardened 4140 steel, black nitride coated and cut 100% with wire edm machines for exacting tolerances of.0002 in critical places.The hammer spring is made from heavy-duty spring steel giving you the hard-hit needed for even the hardest primers.Designed to reduce the amount of pressure it takes to fire the rifle.Factory set and locked between 3.5-4.0 lbs.Finish: Black NitrideModel: ParametricMaterial: 4140 Steel