Attaches to AK rifles with military AK receiver interface – Puts optic on center or extremely close to center of the top cover on mil-spec built AK rifles – Modular top piece allows the top to be changed to a different configuration later if desired – Constructed from hard coat anodized 6061 aluminum and melonite coated steel – Feature the patented Elite Defense QD system for no tool adjustment and repeat zero locking – 100% Made in U.S.A. with MI Lifetime Warranty