The HIVIZ Narrow Magnetic Shotgun Sight Shotgun Rib 7/32 to 5/16 Green delivers quick target acquisition with four interchangeable LitePipes for adaptable performance in changing light conditions, making it an ideal choice for upland birds, waterfowl, and any field where fast sight alignment matters. This S-Series optics option includes a single LitePipe in your choice of green or red at a more economical price, while the M-Series configuration provides four LitePipes to accommodate varying light environments. The snap-on magnetic base is offered in four sizes to fit virtually any rib width from 11/64" to 9/16", with compatibility guidance available to ensure a secure fit on your particular shotgun, though it is not compatible with fiber or aluminum ribs. Specifically, the S300 variant fits ribs from .218" to .328" (7/32" to 21/64"; 5.5 mm to 8.3 mm) and is compatible with a broad range of field models from renowned manufacturers including Remington, Browning, Beretta, Ruger, Ithaca, Benelli, and Franchi. Constructed in the United States and featuring a green color option, this sight combines durable materials with straightforward installation to enhance aiming confidence during fast-paced shots.