2 sight set includes front and rear sights Brightest night sight set available on the market, up to 20-percent brighter than other brands Used by military and law enforcement Needs no external energy source Lightweight sight requires no weapon modification Works under all weather conditions Designed for use on the AKM pattern rifles in 7.62 x 39 caliber Covered by a 5-year manufacturer's usable illumination warranty to original purchaser The Meprolight AK-47 AKM Pattern Set is self-illuminated with ultra bright Tritium so you have a clear, sharp sight picture, even in low light. Meprolight produces the brightest self-illuminated sigh Mfg: Meprolight SPECS: Lightweight, Brightest sight on market, Combat proven, Self illuminated with Tritium, Years of reliable light, Works under all weather conditions, Fits the AKM pattern rifles in 7.62 x 39 caliber, 5-year manufacturer's usable illumination warranty.