Spitfire Armory - EX Tactical Front Sight - Snub for Remington, Winchester Designed to be placed in front of barrel bracket to accommodate high capacity magazine tubes Comes with shims to fit a range of barrel diameters The sight base is CNC machined from 6061-T6 aluminum with matte black hardcoat anodized finish Use with EX Tactical Rear Sight for a complete system The clamping band is carbon steel, with black oxide finish