Meprolight M21 12 MOA Triangle Self-Illuminated Red Dot Sight

The MeprolightA(R) M21 12 MOA Triangle Self-Illuminated Red Dot Sight is always on and at the ready, offering users a wide field of view for quick and intuitive target acquisition. This unique red dot sight is self-illuminated by day with fiber-optic technology and by night with Meprolight tritium, eliminating the need for batteries. Ever. Backed by Meprolight's Meproguard Warranty. 10-year warranty on Tritium.