The ML-22771 is an adjustable set for use on the K, L and N frame revolvers that have a pin on front sight and fully adjustable rear sight. This model is not meant for use on the "Mountain Guns". Mountain Guns have a much higher front sight.

Specifications and Features:
Unequaled low light performance
Brightest night sights available today
Used by military and law enforcement
Tritium front and rear fixed sights
Front dot brighter than rear dots
Bonding seal on sight tubes
Impervious to solvent bath for up to 48 hrs
Sealed against water, dust and oil
Green front and rear dots
No transition from day to night use