Light gathering, polymer rod works in low light as well as bright to provide an easy-to-see, fast-pointing dot. Four colored rods let you change sights to fit shooting conditions. Locating fingers on each end center the sight on your rib; two strong magnets prevent movement.

SPECS: Base - Plastic, black. Rods - Polymer, red, green, yellow, orange. .170" (4.3mm) diameter sighting dot. M-300 - fits ribs 7?32" (5.5mm) to 5?16" (8.2mm) wide. M-400 - Fits ribs 5?16" (8.2mm) to 7?16" (11.3mm) wide.