The Wilson Combat Complete Trigger Kit is engineered for 1911 .45 ACP pistols and features match-grade stainless steel construction for superior performance and durability.Wilson Combat Complete Trigger Kit for 1911 platformsCompatible with .45 ACP 1911 pistolsMatch-grade stainless steel componentsPremium trigger upgrade for enhanced accuracyProfessional-grade gunsmith componentsIdeal for competitive shooters and enthusiasts seeking to upgrade their 1911 trigger system with Wilson Combat's renowned quality and precision engineering.