FEATURES-Self-contained-Drop-in unit ready to install in any SCAR rifles-3.5 pound pull with s stronger spring for the 308 ammo-Lightweight alloy for superior durability-Hammer is EDM machined from S7 tool steel that combines hardness to resist wear with superior impact resistance to withstand heavy use without chipping or breaking-Teflon Nickel coating is applied to the hammer to deliver a super smooth trigger pull with superiorlubricityPRODUCT SPECIFICATIONS:Dimension 1.35 X 3.60 X 7.45Height 1.3500Width 3.6000Length 7.4500TYPE/COLOR TRIGGERSIZE/FINISH FN SCAR-17SMATERIAL STEEL/ALUMINUMOTHER FEATURES: 3.5LBS PULL WEIGHT FITS FN SCAR-17SNO DIRECT SHIP TO CALIFORNIA