Low profile, sights feature micrometric windage/elevation adjustments with hardened click screws and a tapered dovetail for a strong lock into the existing groove. Drop-in front and rear replacements fit factory dovetails; minor gunsmithing or fitting maybe required, especially for front sight. Offers the classic, instinctive three-dot sight picture, with a choice of white dots (WD) or fiber optic dots (FO). Unless otherwise noted below, FO sights come with 1 red and 1 green set of interchangeable inserts so you can choose the color or color combination that's best for your eyes. Novak 1911 sets have standard Novak .495" x 65° rear dovetail and .330" x 65° front dovetail. Novak also available with a plain black rear sight and a red front sight (PB/R). Carry> sights provide full windage/elevation adjustability and are designed specifically for concealed-carry pistols, with neatly beveled edges that won't snag on clothing or holster.