CNC-machined from billet steel and finished with QPQ Nitride for exceptional durability, corrosion resistance, and long-lasting performance; Hybrid design combines the advantages of a FiberLok front sight with a plain rear sight; Provides the perfect balance between rapid target acquisition and enhanced contrast; Tactical-style cut with a ledge, facilitating one-handed slide operation; Wide rear notch for easy target acquisition; Serrated anti-glare face on both front and rear sights; Optional green front fiber optic included; Compatible with Novak 1911 Government 10mm Auto/.45 ACP models (.260/.450)