NECG Classic Express Rear Sight with Island Base

NECG Classic Express Rear Sight with Island Base. An iron sight base for AR-15 rifles finished in steel blue. Features an island base with one standing leaf and up to three folding leaves. Blades are flat to allow for V or U notch customization. Folding leaves lock with a clamp screw when upright. The XL configuration fits .830 to .930 diameter barrels. Base width: 0.550 in; Standing leaf height: 0.670 in; 1-Leaf height: 0.650 in; 3-Leaf height: 0.709 in. Available in a variety of barrel diameters to fit different guns.