Crimson Trace laser sight products are now accepted as a very effective way of aiming and shooting, especially for self defense. And though our products have been described as fun and cool, make no mistake: Lasergrips represent a heightened state of readiness.Crimson Trace front mount laser sight. Fits all 9 mm and .40 S&W polymer frame Kahr pistols. Adjustable for windage and elevation. Pressure activated front switch. Maximum strength laser allowed by law.