Meprolight Ruger Tru-Dot Night Sight for Mini-14, fits serial number prefix "580". Front sight only Contains both front and rear sights Unequaled low light performance Brightest night sights available Used by military & law enforcement All Tru-Dot sights are covered by a 12 year usable illumination warranty to original purchaser Get the Meprolight Advantage Unequaled Low Light Performance Brightest Night Sights Available Today Used by Military and Law Enforcement