The face of the SlantPro rear sight is serrated and slanted forward slightly to eliminate glare and give better sight picture definition. The contoured shape makes the sight more snag resistant, an excellent concealed carry feature. Matte. Notes: The rear sight has a forward slant which allows enough material for one-handed clearance drills, yet the contour shape is snag free for concealment. The combination of slant and rear serrations virtually eliminates glare from light. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.