Meprolight Heckler & Koch Night Sight fits MP5, 91, 93 & 94. This set has a green rear and front sight 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